-91.44% is the change from 946 to 81
Calculation steps:
[( 81 - 946 ) ÷ 946] x 100 = -91.44%
Formula
Percentage change = [(81 - 946) / 946] x 100
Subtract the new number by the original number
81 - 946 = -865
-865 ÷ 946 = -0.9143763213530656
-0.9143763213530656 x 100 = -91.44%