-44.35% is the change from 920 to 512
Calculation steps:
[( 512 - 920 ) ÷ 920] x 100 = -44.35%
Formula
Percentage change = [(512 - 920) / 920] x 100
Subtract the new number by the original number
512 - 920 = -408
-408 ÷ 920 = -0.4434782608695652
-0.4434782608695652 x 100 = -44.35%