-89.64% is the change from 782 to 81
Calculation steps:
[( 81 - 782 ) ÷ 782] x 100 = -89.64%
Formula
Percentage change = [(81 - 782) / 782] x 100
Subtract the new number by the original number
81 - 782 = -701
-701 ÷ 782 = -0.8964194373401535
-0.8964194373401535 x 100 = -89.64%