38.03% is the change from 447 to 617
Calculation steps:
[( 617 - 447 ) ÷ 447] x 100 = 38.03%
Formula
Percentage change = [(617 - 447) / 447] x 100
Subtract the new number by the original number
617 - 447 = 170
170 ÷ 447 = 0.38031319910514544
0.38031319910514544 x 100 = 38.03%