-31.07% is the change from 663 to 457
Calculation steps:
[( 457 - 663 ) ÷ 663] x 100 = -31.07%
Formula
Percentage change = [(457 - 663) / 663] x 100
Subtract the new number by the original number
457 - 663 = -206
-206 ÷ 663 = -0.31070889894419307
-0.31070889894419307 x 100 = -31.07%