-77.75% is the change from 364 to 81
Calculation steps:
[( 81 - 364 ) ÷ 364] x 100 = -77.75%
Formula
Percentage change = [(81 - 364) / 364] x 100
Subtract the new number by the original number
81 - 364 = -283
-283 ÷ 364 = -0.7774725274725275
-0.7774725274725275 x 100 = -77.75%