-60.29% is the change from 204 to 81
Calculation steps:
[( 81 - 204 ) ÷ 204] x 100 = -60.29%
Formula
Percentage change = [(81 - 204) / 204] x 100
Subtract the new number by the original number
81 - 204 = -123
-123 ÷ 204 = -0.6029411764705882
-0.6029411764705882 x 100 = -60.29%