-98.73% is the change from 158 to 2
Calculation steps:
[( 2 - 158 ) ÷ 158] x 100 = -98.73%
Formula
Percentage change = [(2 - 158) / 158] x 100
Subtract the new number by the original number
2 - 158 = -156
-156 ÷ 158 = -0.9873417721518988
-0.9873417721518988 x 100 = -98.73%