-53.57% is the change from 476 to 221
Calculation steps:
[( 221 - 476 ) ÷ 476] x 100 = -53.57%
Formula
Percentage change = [(221 - 476) / 476] x 100
Subtract the new number by the original number
221 - 476 = -255
-255 ÷ 476 = -0.5357142857142857
-0.5357142857142857 x 100 = -53.57%