-8.48% is the change from 637 to 583
Calculation steps:
[( 583 - 637 ) ÷ 637] x 100 = -8.48%
Formula
Percentage change = [(583 - 637) / 637] x 100
Subtract the new number by the original number
583 - 637 = -54
-54 ÷ 637 = -0.0847723704866562
-0.0847723704866562 x 100 = -8.48%