-9.06% is the change from 662 to 602
Calculation steps:
[( 602 - 662 ) ÷ 662] x 100 = -9.06%
Formula
Percentage change = [(602 - 662) / 662] x 100
Subtract the new number by the original number
602 - 662 = -60
-60 ÷ 662 = -0.09063444108761329
-0.09063444108761329 x 100 = -9.06%