-95.57% is the change from 158 to 7
Calculation steps:
[( 7 - 158 ) ÷ 158] x 100 = -95.57%
Formula
Percentage change = [(7 - 158) / 158] x 100
Subtract the new number by the original number
7 - 158 = -151
-151 ÷ 158 = -0.9556962025316456
-0.9556962025316456 x 100 = -95.57%