-28.26% is the change from 637 to 457
Calculation steps:
[( 457 - 637 ) ÷ 637] x 100 = -28.26%
Formula
Percentage change = [(457 - 637) / 637] x 100
Subtract the new number by the original number
457 - 637 = -180
-180 ÷ 637 = -0.282574568288854
-0.282574568288854 x 100 = -28.26%