-89.23% is the change from 752 to 81
Calculation steps:
[( 81 - 752 ) ÷ 752] x 100 = -89.23%
Formula
Percentage change = [(81 - 752) / 752] x 100
Subtract the new number by the original number
81 - 752 = -671
-671 ÷ 752 = -0.8922872340425532
-0.8922872340425532 x 100 = -89.23%