-1.47% is the change from 611 to 602
Calculation steps:
[( 602 - 611 ) ÷ 611] x 100 = -1.47%
Formula
Percentage change = [(602 - 611) / 611] x 100
Subtract the new number by the original number
602 - 611 = -9
-9 ÷ 611 = -0.014729950900163666
-0.014729950900163666 x 100 = -1.47%