-11.15% is the change from 637 to 566
Calculation steps:
[( 566 - 637 ) ÷ 637] x 100 = -11.15%
Formula
Percentage change = [(566 - 637) / 637] x 100
Subtract the new number by the original number
566 - 637 = -71
-71 ÷ 637 = -0.11145996860282574
-0.11145996860282574 x 100 = -11.15%