what was the change in percentage of sales attributable to professional instrumentation from 2016 to 2017?
Important information:
text_3: reportable segments the table below describes the percentage of sales attributable to each of our two segments over each of the last three years ended december 31 , 2017 .
table_1: the professional instrumentation of 2017 is 47% ( 47 % ) ; the professional instrumentation of 2016 is 46% ( 46 % ) ; the professional instrumentation of 2015 is 48% ( 48 % ) ;
text_7: 2017 sales for this segment by geographic destination were : north america , 50% ( 50 % ) ; europe , 18% ( 18 % ) ; asia pacific , 26% ( 26 % ) , and all other regions , 6% ( 6 % ) .
Reasoning Steps:
Step: minus1-1(47%, 46%) = 1%
Program:
subtract(47%, 46%)
Program (Nested):
subtract(47%, 46%)

Please answer the following financial question based on the context provided. Make sure to give the answer in raw number, not in percentage and without any units. If the question asks for percentage the value should be less than 1
Context:
the new york stock exchange ( the 201cseparation 201d ) . the separation was effectuated through a pro-rata dividend distribution on july 2 , 2016 of all of the then-outstanding shares of common stock of fortive corporation to the holders of common stock of danaher as of june 15 , 2016 . in this annual report , the terms 201cfortive 201d or the 201ccompany 201d refer to either fortive corporation or to fortive corporation and its consolidated subsidiaries , as the context requires . reportable segments the table below describes the percentage of sales attributable to each of our two segments over each of the last three years ended december 31 , 2017 . for additional information regarding sales , operating profit and identifiable assets by segment , please refer to note 17 to the consolidated and combined financial statements included in this annual report. .
Table
                             | 2017         | 2016         | 2015        
professional instrumentation | 47% ( 47 % ) | 46% ( 46 % ) | 48% ( 48 % )
industrial technologies      | 53% ( 53 % ) | 54% ( 54 % ) | 52% ( 52 % )
professional instrumentation our professional instrumentation segment offers essential products , software and services used to create actionable intelligence by measuring and monitoring a wide range of physical parameters in industrial applications , including electrical current , radio frequency signals , distance , pressure , temperature , radiation , and hazardous gases . customers for these products and services include industrial service , installation and maintenance professionals , designers and manufacturers of electronic devices and instruments , medical technicians , safety professionals and other customers for whom precision , reliability and safety are critical in their specific applications . 2017 sales for this segment by geographic destination were : north america , 50% ( 50 % ) ; europe , 18% ( 18 % ) ; asia pacific , 26% ( 26 % ) , and all other regions , 6% ( 6 % ) . our professional instrumentation segment consists of our advanced instrumentation & solutions and sensing technologies businesses . our advanced instrumentation & solutions business was primarily established through the acquisitions of qualitrol in the 1980s , fluke corporation in 1998 , pacific scientific company in 1998 , tektronix in 2007 , invetech in 2007 , keithley instruments in 2010 , emaint in 2016 , industrial scientific in 2017 , landauer in 2017 and numerous bolt-on acquisitions . advanced instrumentation & solutions our advanced instrumentation & solutions business consists of : field solutions our field solutions products include a variety of compact professional test tools , thermal imaging and calibration equipment for electrical , industrial , electronic and calibration applications , online condition-based monitoring equipment ; portable gas detection equipment , consumables , and software as a service ( saas ) offerings including safety/user behavior , asset management , and compliance monitoring ; subscription-based technical , analytical , and compliance services to determine occupational and environmental radiation exposure ; and computerized maintenance management software for critical infrastructure in utility , industrial , energy , construction , public safety , mining , and healthcare applications . these products and associated software solutions measure voltage , current , resistance , power quality , frequency , pressure , temperature , radiation , hazardous gas and air quality , among other parameters . typical users of these products and software include electrical engineers , electricians , electronic technicians , safety professionals , medical technicians , network technicians , first-responders , and industrial service , installation and maintenance professionals . the business also makes and sells instruments , controls and monitoring and maintenance systems used by maintenance departments in utilities and industrial facilities to monitor assets , including transformers , generators , motors and switchgear . products are marketed under a variety of brands , including fluke , fluke biomedical , fluke networks , industrial scientific , landauer and qualitrol . product realization our product realization services and products help developers and engineers across the end-to-end product creation cycle from concepts to finished products . our test , measurement and monitoring products are used in the design , manufacturing and development of electronics , industrial , video and other advanced technologies . typical users of these products and services include research and development engineers who design , de-bug , monitor and validate the function and performance of electronic components , subassemblies and end-products , and video equipment manufacturers , content developers and broadcasters . the business also provides a full range of design , engineering and manufacturing services and highly-engineered , modular components to enable conceptualization , development and launch of products in the medical diagnostics , cell therapy and consumer markets . finally , the business designs , develops , manufactures and markets critical , highly-engineered energetic materials components in specialized vertical applications . products and services are marketed .
Question: 
what was the change in percentage of sales attributable to professional instrumentation from 2016 to 2017?
Important information:
text_3: reportable segments the table below describes the percentage of sales attributable to each of our two segments over each of the last three years ended december 31 , 2017 .
table_1: the professional instrumentation of 2017 is 47% ( 47 % ) ; the professional instrumentation of 2016 is 46% ( 46 % ) ; the professional instrumentation of 2015 is 48% ( 48 % ) ;
text_7: 2017 sales for this segment by geographic destination were : north america , 50% ( 50 % ) ; europe , 18% ( 18 % ) ; asia pacific , 26% ( 26 % ) , and all other regions , 6% ( 6 % ) .
Reasoning Steps:
Step: minus1-1(47%, 46%) = 1%
Program:
subtract(47%, 46%)
Program (Nested):
subtract(47%, 46%)
