-26.22% is the change from 637 to 470
Calculation steps:
[( 470 - 637 ) ÷ 637] x 100 = -26.22%
Formula
Percentage change = [(470 - 637) / 637] x 100
Subtract the new number by the original number
470 - 637 = -167
-167 ÷ 637 = -0.2621664050235479
-0.2621664050235479 x 100 = -26.22%