-52.39% is the change from 920 to 438
Calculation steps:
[( 438 - 920 ) ÷ 920] x 100 = -52.39%
Formula
Percentage change = [(438 - 920) / 920] x 100
Subtract the new number by the original number
438 - 920 = -482
-482 ÷ 920 = -0.5239130434782608
-0.5239130434782608 x 100 = -52.39%