-31.67% is the change from 663 to 453
Calculation steps:
[( 453 - 663 ) ÷ 663] x 100 = -31.67%
Formula
Percentage change = [(453 - 663) / 663] x 100
Subtract the new number by the original number
453 - 663 = -210
-210 ÷ 663 = -0.3167420814479638
-0.3167420814479638 x 100 = -31.67%