-20.96% is the change from 291 to 230
Calculation steps:
[( 230 - 291 ) ÷ 291] x 100 = -20.96%
Formula
Percentage change = [(230 - 291) / 291] x 100
Subtract the new number by the original number
230 - 291 = -61
-61 ÷ 291 = -0.20962199312714777
-0.20962199312714777 x 100 = -20.96%