-51.41% is the change from 920 to 447
Calculation steps:
[( 447 - 920 ) ÷ 920] x 100 = -51.41%
Formula
Percentage change = [(447 - 920) / 920] x 100
Subtract the new number by the original number
447 - 920 = -473
-473 ÷ 920 = -0.5141304347826087
-0.5141304347826087 x 100 = -51.41%