-19.31% is the change from 637 to 514
Calculation steps:
[( 514 - 637 ) ÷ 637] x 100 = -19.31%
Formula
Percentage change = [(514 - 637) / 637] x 100
Subtract the new number by the original number
514 - 637 = -123
-123 ÷ 637 = -0.19309262166405022
-0.19309262166405022 x 100 = -19.31%