-53.33% is the change from 150 to 70
Calculation steps:
[( 70 - 150 ) ÷ 150] x 100 = -53.33%
Formula
Percentage change = [(70 - 150) / 150] x 100
Subtract the new number by the original number
70 - 150 = -80
-80 ÷ 150 = -0.5333333333333333
-0.5333333333333333 x 100 = -53.33%