-19.74% is the change from 233 to 187
Calculation steps:
[( 187 - 233 ) ÷ 233] x 100 = -19.74%
Formula
Percentage change = [(187 - 233) / 233] x 100
Subtract the new number by the original number
187 - 233 = -46
-46 ÷ 233 = -0.19742489270386265
-0.19742489270386265 x 100 = -19.74%