-95.57% is the change from 474 to 21
Calculation steps:
[( 21 - 474 ) ÷ 474] x 100 = -95.57%
Formula
Percentage change = [(21 - 474) / 474] x 100
Subtract the new number by the original number
21 - 474 = -453
-453 ÷ 474 = -0.9556962025316456
-0.9556962025316456 x 100 = -95.57%