10.73% is the change from 615 to 681
Calculation steps:
[( 681 - 615 ) ÷ 615] x 100 = 10.73%
Formula
Percentage change = [(681 - 615) / 615] x 100
Subtract the new number by the original number
681 - 615 = 66
66 ÷ 615 = 0.1073170731707317
0.1073170731707317 x 100 = 10.73%