967.9% is the change from 81 to 865
Calculation steps:
[( 865 - 81 ) ÷ 81] x 100 = 967.9%
Formula
Percentage change = [(865 - 81) / 81] x 100
Subtract the new number by the original number
865 - 81 = 784
784 ÷ 81 = 9.679012345679013
9.679012345679013 x 100 = 967.9%