-55.35% is the change from 159 to 71
Calculation steps:
[( 71 - 159 ) ÷ 159] x 100 = -55.35%
Formula
Percentage change = [(71 - 159) / 159] x 100
Subtract the new number by the original number
71 - 159 = -88
-88 ÷ 159 = -0.5534591194968553
-0.5534591194968553 x 100 = -55.35%