-31.17% is the change from 664 to 457
Calculation steps:
[( 457 - 664 ) ÷ 664] x 100 = -31.17%
Formula
Percentage change = [(457 - 664) / 664] x 100
Subtract the new number by the original number
457 - 664 = -207
-207 ÷ 664 = -0.3117469879518072
-0.3117469879518072 x 100 = -31.17%