-91.64% is the change from 969 to 81
Calculation steps:
[( 81 - 969 ) ÷ 969] x 100 = -91.64%
Formula
Percentage change = [(81 - 969) / 969] x 100
Subtract the new number by the original number
81 - 969 = -888
-888 ÷ 969 = -0.9164086687306502
-0.9164086687306502 x 100 = -91.64%