21.79% is the change from 615 to 749
Calculation steps:
[( 749 - 615 ) ÷ 615] x 100 = 21.79%
Formula
Percentage change = [(749 - 615) / 615] x 100
Subtract the new number by the original number
749 - 615 = 134
134 ÷ 615 = 0.21788617886178863
0.21788617886178863 x 100 = 21.79%