-4.24% is the change from 637 to 610
Calculation steps:
[( 610 - 637 ) ÷ 637] x 100 = -4.24%
Formula
Percentage change = [(610 - 637) / 637] x 100
Subtract the new number by the original number
610 - 637 = -27
-27 ÷ 637 = -0.0423861852433281
-0.0423861852433281 x 100 = -4.24%