32.2% is the change from 615 to 813
Calculation steps:
[( 813 - 615 ) ÷ 615] x 100 = 32.2%
Formula
Percentage change = [(813 - 615) / 615] x 100
Subtract the new number by the original number
813 - 615 = 198
198 ÷ 615 = 0.32195121951219513
0.32195121951219513 x 100 = 32.2%