-89.29% is the change from 756 to 81
Calculation steps:
[( 81 - 756 ) ÷ 756] x 100 = -89.29%
Formula
Percentage change = [(81 - 756) / 756] x 100
Subtract the new number by the original number
81 - 756 = -675
-675 ÷ 756 = -0.8928571428571429
-0.8928571428571429 x 100 = -89.29%