30.64% is the change from 470 to 614
Calculation steps:
[( 614 - 470 ) ÷ 470] x 100 = 30.64%
Formula
Percentage change = [(614 - 470) / 470] x 100
Subtract the new number by the original number
614 - 470 = 144
144 ÷ 470 = 0.30638297872340425
0.30638297872340425 x 100 = 30.64%