940.74% is the change from 81 to 843
Calculation steps:
[( 843 - 81 ) ÷ 81] x 100 = 940.74%
Formula
Percentage change = [(843 - 81) / 81] x 100
Subtract the new number by the original number
843 - 81 = 762
762 ÷ 81 = 9.407407407407407
9.407407407407407 x 100 = 940.74%