-32.65% is the change from 637 to 429
Calculation steps:
[( 429 - 637 ) ÷ 637] x 100 = -32.65%
Formula
Percentage change = [(429 - 637) / 637] x 100
Subtract the new number by the original number
429 - 637 = -208
-208 ÷ 637 = -0.32653061224489793
-0.32653061224489793 x 100 = -32.65%