-9.26% is the change from 637 to 578
Calculation steps:
[( 578 - 637 ) ÷ 637] x 100 = -9.26%
Formula
Percentage change = [(578 - 637) / 637] x 100
Subtract the new number by the original number
578 - 637 = -59
-59 ÷ 637 = -0.09262166405023547
-0.09262166405023547 x 100 = -9.26%