-87.77% is the change from 188 to 23
Calculation steps:
[( 23 - 188 ) ÷ 188] x 100 = -87.77%
Formula
Percentage change = [(23 - 188) / 188] x 100
Subtract the new number by the original number
23 - 188 = -165
-165 ÷ 188 = -0.8776595744680851
-0.8776595744680851 x 100 = -87.77%