-1.15% is the change from 610 to 603
Calculation steps:
[( 603 - 610 ) ÷ 610] x 100 = -1.15%
Formula
Percentage change = [(603 - 610) / 610] x 100
Subtract the new number by the original number
603 - 610 = -7
-7 ÷ 610 = -0.011475409836065573
-0.011475409836065573 x 100 = -1.15%