-46.71% is the change from 471 to 251
Calculation steps:
[( 251 - 471 ) ÷ 471] x 100 = -46.71%
Formula
Percentage change = [(251 - 471) / 471] x 100
Subtract the new number by the original number
251 - 471 = -220
-220 ÷ 471 = -0.46709129511677283
-0.46709129511677283 x 100 = -46.71%