-19.31% is the change from 233 to 188
Calculation steps:
[( 188 - 233 ) ÷ 233] x 100 = -19.31%
Formula
Percentage change = [(188 - 233) / 233] x 100
Subtract the new number by the original number
188 - 233 = -45
-45 ÷ 233 = -0.19313304721030042
-0.19313304721030042 x 100 = -19.31%