-51.17% is the change from 471 to 230
Calculation steps:
[( 230 - 471 ) ÷ 471] x 100 = -51.17%
Formula
Percentage change = [(230 - 471) / 471] x 100
Subtract the new number by the original number
230 - 471 = -241
-241 ÷ 471 = -0.5116772823779193
-0.5116772823779193 x 100 = -51.17%