1.83% is the change from 600 to 611
Calculation steps:
[( 611 - 600 ) ÷ 600] x 100 = 1.83%
Formula
Percentage change = [(611 - 600) / 600] x 100
Subtract the new number by the original number
611 - 600 = 11
11 ÷ 600 = 0.018333333333333333
0.018333333333333333 x 100 = 1.83%