13.5% is the change from 615 to 698
Calculation steps:
[( 698 - 615 ) ÷ 615] x 100 = 13.5%
Formula
Percentage change = [(698 - 615) / 615] x 100
Subtract the new number by the original number
698 - 615 = 83
83 ÷ 615 = 0.13495934959349593
0.13495934959349593 x 100 = 13.5%