-22.76% is the change from 637 to 492
Calculation steps:
[( 492 - 637 ) ÷ 637] x 100 = -22.76%
Formula
Percentage change = [(492 - 637) / 637] x 100
Subtract the new number by the original number
492 - 637 = -145
-145 ÷ 637 = -0.22762951334379905
-0.22762951334379905 x 100 = -22.76%