-55.7% is the change from 158 to 70
Calculation steps:
[( 70 - 158 ) ÷ 158] x 100 = -55.7%
Formula
Percentage change = [(70 - 158) / 158] x 100
Subtract the new number by the original number
70 - 158 = -88
-88 ÷ 158 = -0.5569620253164557
-0.5569620253164557 x 100 = -55.7%