-21.98% is the change from 232 to 181
Calculation steps:
[( 181 - 232 ) ÷ 232] x 100 = -21.98%
Formula
Percentage change = [(181 - 232) / 232] x 100
Subtract the new number by the original number
181 - 232 = -51
-51 ÷ 232 = -0.21982758620689655
-0.21982758620689655 x 100 = -21.98%