-54.78% is the change from 157 to 71
Calculation steps:
[( 71 - 157 ) ÷ 157] x 100 = -54.78%
Formula
Percentage change = [(71 - 157) / 157] x 100
Subtract the new number by the original number
71 - 157 = -86
-86 ÷ 157 = -0.5477707006369427
-0.5477707006369427 x 100 = -54.78%