-53.52% is the change from 71 to 33
Calculation steps:
[( 33 - 71 ) ÷ 71] x 100 = -53.52%
Formula
Percentage change = [(33 - 71) / 71] x 100
Subtract the new number by the original number
33 - 71 = -38
-38 ÷ 71 = -0.5352112676056338
-0.5352112676056338 x 100 = -53.52%