17.02% is the change from 470 to 550
Calculation steps:
[( 550 - 470 ) ÷ 470] x 100 = 17.02%
Formula
Percentage change = [(550 - 470) / 470] x 100
Subtract the new number by the original number
550 - 470 = 80
80 ÷ 470 = 0.1702127659574468
0.1702127659574468 x 100 = 17.02%