-5.2% is the change from 635 to 602
Calculation steps:
[( 602 - 635 ) ÷ 635] x 100 = -5.2%
Formula
Percentage change = [(602 - 635) / 635] x 100
Subtract the new number by the original number
602 - 635 = -33
-33 ÷ 635 = -0.05196850393700787
-0.05196850393700787 x 100 = -5.2%