12.68% is the change from 615 to 693
Calculation steps:
[( 693 - 615 ) ÷ 615] x 100 = 12.68%
Formula
Percentage change = [(693 - 615) / 615] x 100
Subtract the new number by the original number
693 - 615 = 78
78 ÷ 615 = 0.12682926829268293
0.12682926829268293 x 100 = 12.68%