-95.54% is the change from 471 to 21
Calculation steps:
[( 21 - 471 ) ÷ 471] x 100 = -95.54%
Formula
Percentage change = [(21 - 471) / 471] x 100
Subtract the new number by the original number
21 - 471 = -450
-450 ÷ 471 = -0.9554140127388535
-0.9554140127388535 x 100 = -95.54%