-27.16% is the change from 81 to 59
Calculation steps:
[( 59 - 81 ) ÷ 81] x 100 = -27.16%
Formula
Percentage change = [(59 - 81) / 81] x 100
Subtract the new number by the original number
59 - 81 = -22
-22 ÷ 81 = -0.2716049382716049
-0.2716049382716049 x 100 = -27.16%