-85.8% is the change from 162 to 23
Calculation steps:
[( 23 - 162 ) ÷ 162] x 100 = -85.8%
Formula
Percentage change = [(23 - 162) / 162] x 100
Subtract the new number by the original number
23 - 162 = -139
-139 ÷ 162 = -0.8580246913580247
-0.8580246913580247 x 100 = -85.8%