13.09% is the change from 611 to 691
Calculation steps:
[( 691 - 611 ) ÷ 611] x 100 = 13.09%
Formula
Percentage change = [(691 - 611) / 611] x 100
Subtract the new number by the original number
691 - 611 = 80
80 ÷ 611 = 0.1309328968903437
0.1309328968903437 x 100 = 13.09%