-89.71% is the change from 787 to 81
Calculation steps:
[( 81 - 787 ) ÷ 787] x 100 = -89.71%
Formula
Percentage change = [(81 - 787) / 787] x 100
Subtract the new number by the original number
81 - 787 = -706
-706 ÷ 787 = -0.8970775095298602
-0.8970775095298602 x 100 = -89.71%