-14.6% is the change from 637 to 544
Calculation steps:
[( 544 - 637 ) ÷ 637] x 100 = -14.6%
Formula
Percentage change = [(544 - 637) / 637] x 100
Subtract the new number by the original number
544 - 637 = -93
-93 ÷ 637 = -0.14599686028257458
-0.14599686028257458 x 100 = -14.6%