In June 2008 the annual rate of price growth was 11.2 million percent. The worst of the inflation occurred in 2008, leading to the abandonment of the currency. The peak month of hyperinflation occurred in mid-November 2008 with a rate estimated at 79,600,000,000% per month.[1] This resulted in US$1 becoming equivalent to the staggering sum of Z$2,621,984,228.[24][25]