-58.88% is the change from 197 to 81
Calculation steps:
[( 81 - 197 ) ÷ 197] x 100 = -58.88%
Formula
Percentage change = [(81 - 197) / 197] x 100
Subtract the new number by the original number
81 - 197 = -116
-116 ÷ 197 = -0.5888324873096447
-0.5888324873096447 x 100 = -58.88%