-47.28% is the change from 920 to 485
Calculation steps:
[( 485 - 920 ) ÷ 920] x 100 = -47.28%
Formula
Percentage change = [(485 - 920) / 920] x 100
Subtract the new number by the original number
485 - 920 = -435
-435 ÷ 920 = -0.47282608695652173
-0.47282608695652173 x 100 = -47.28%