-22.78% is the change from 663 to 512
Calculation steps:
[( 512 - 663 ) ÷ 663] x 100 = -22.78%
Formula
Percentage change = [(512 - 663) / 663] x 100
Subtract the new number by the original number
512 - 663 = -151
-151 ÷ 663 = -0.2277526395173454
-0.2277526395173454 x 100 = -22.78%