3.21% is the change from 592 to 611
Calculation steps:
[( 611 - 592 ) ÷ 592] x 100 = 3.21%
Formula
Percentage change = [(611 - 592) / 592] x 100
Subtract the new number by the original number
611 - 592 = 19
19 ÷ 592 = 0.03209459459459459
0.03209459459459459 x 100 = 3.21%