-12.28% is the change from 635 to 557
Calculation steps:
[( 557 - 635 ) ÷ 635] x 100 = -12.28%
Formula
Percentage change = [(557 - 635) / 635] x 100
Subtract the new number by the original number
557 - 635 = -78
-78 ÷ 635 = -0.12283464566929134
-0.12283464566929134 x 100 = -12.28%