19.51% is the change from 615 to 735
Calculation steps:
[( 735 - 615 ) ÷ 615] x 100 = 19.51%
Formula
Percentage change = [(735 - 615) / 615] x 100
Subtract the new number by the original number
735 - 615 = 120
120 ÷ 615 = 0.1951219512195122
0.1951219512195122 x 100 = 19.51%