-50.33% is the change from 920 to 457
Calculation steps:
[( 457 - 920 ) ÷ 920] x 100 = -50.33%
Formula
Percentage change = [(457 - 920) / 920] x 100
Subtract the new number by the original number
457 - 920 = -463
-463 ÷ 920 = -0.5032608695652174
-0.5032608695652174 x 100 = -50.33%