-12.09% is the change from 637 to 560
Calculation steps:
[( 560 - 637 ) ÷ 637] x 100 = -12.09%
Formula
Percentage change = [(560 - 637) / 637] x 100
Subtract the new number by the original number
560 - 637 = -77
-77 ÷ 637 = -0.12087912087912088
-0.12087912087912088 x 100 = -12.09%