-12.44% is the change from 635 to 556
Calculation steps:
[( 556 - 635 ) ÷ 635] x 100 = -12.44%
Formula
Percentage change = [(556 - 635) / 635] x 100
Subtract the new number by the original number
556 - 635 = -79
-79 ÷ 635 = -0.12440944881889764
-0.12440944881889764 x 100 = -12.44%