-0.33% is the change from 613 to 611
Calculation steps:
[( 611 - 613 ) ÷ 613] x 100 = -0.33%
Formula
Percentage change = [(611 - 613) / 613] x 100
Subtract the new number by the original number
611 - 613 = -2
-2 ÷ 613 = -0.0032626427406199023
-0.0032626427406199023 x 100 = -0.33%