30.96% is the change from 617 to 808
Calculation steps:
[( 808 - 617 ) ÷ 617] x 100 = 30.96%
Formula
Percentage change = [(808 - 617) / 617] x 100
Subtract the new number by the original number
808 - 617 = 191
191 ÷ 617 = 0.3095623987034036
0.3095623987034036 x 100 = 30.96%