30.72% is the change from 472 to 617
Calculation steps:
[( 617 - 472 ) ÷ 472] x 100 = 30.72%
Formula
Percentage change = [(617 - 472) / 472] x 100
Subtract the new number by the original number
617 - 472 = 145
145 ÷ 472 = 0.3072033898305085
0.3072033898305085 x 100 = 30.72%