-13.03% is the change from 637 to 554
Calculation steps:
[( 554 - 637 ) ÷ 637] x 100 = -13.03%
Formula
Percentage change = [(554 - 637) / 637] x 100
Subtract the new number by the original number
554 - 637 = -83
-83 ÷ 637 = -0.130298273155416
-0.130298273155416 x 100 = -13.03%