-60.11% is the change from 178 to 71
Calculation steps:
[( 71 - 178 ) ÷ 178] x 100 = -60.11%
Formula
Percentage change = [(71 - 178) / 178] x 100
Subtract the new number by the original number
71 - 178 = -107
-107 ÷ 178 = -0.601123595505618
-0.601123595505618 x 100 = -60.11%