-22.99% is the change from 635 to 489
Calculation steps:
[( 489 - 635 ) ÷ 635] x 100 = -22.99%
Formula
Percentage change = [(489 - 635) / 635] x 100
Subtract the new number by the original number
489 - 635 = -146
-146 ÷ 635 = -0.22992125984251968
-0.22992125984251968 x 100 = -22.99%