-5.65% is the change from 637 to 601
Calculation steps:
[( 601 - 637 ) ÷ 637] x 100 = -5.65%
Formula
Percentage change = [(601 - 637) / 637] x 100
Subtract the new number by the original number
601 - 637 = -36
-36 ÷ 637 = -0.0565149136577708
-0.0565149136577708 x 100 = -5.65%