-47.17% is the change from 920 to 486
Calculation steps:
[( 486 - 920 ) ÷ 920] x 100 = -47.17%
Formula
Percentage change = [(486 - 920) / 920] x 100
Subtract the new number by the original number
486 - 920 = -434
-434 ÷ 920 = -0.4717391304347826
-0.4717391304347826 x 100 = -47.17%