-85.44% is the change from 158 to 23
Calculation steps:
[( 23 - 158 ) ÷ 158] x 100 = -85.44%
Formula
Percentage change = [(23 - 158) / 158] x 100
Subtract the new number by the original number
23 - 158 = -135
-135 ÷ 158 = -0.8544303797468354
-0.8544303797468354 x 100 = -85.44%