-42.5% is the change from 920 to 529
Calculation steps:
[( 529 - 920 ) ÷ 920] x 100 = -42.5%
Formula
Percentage change = [(529 - 920) / 920] x 100
Subtract the new number by the original number
529 - 920 = -391
-391 ÷ 920 = -0.425
-0.425 x 100 = -42.5%