-85.26% is the change from 156 to 23
Calculation steps:
[( 23 - 156 ) ÷ 156] x 100 = -85.26%
Formula
Percentage change = [(23 - 156) / 156] x 100
Subtract the new number by the original number
23 - 156 = -133
-133 ÷ 156 = -0.8525641025641025
-0.8525641025641025 x 100 = -85.26%