-1.31% is the change from 610 to 602
Calculation steps:
[( 602 - 610 ) ÷ 610] x 100 = -1.31%
Formula
Percentage change = [(602 - 610) / 610] x 100
Subtract the new number by the original number
602 - 610 = -8
-8 ÷ 610 = -0.013114754098360656
-0.013114754098360656 x 100 = -1.31%