30% is the change from 470 to 611
Calculation steps:
[( 611 - 470 ) ÷ 470] x 100 = 30%
Formula
Percentage change = [(611 - 470) / 470] x 100
Subtract the new number by the original number
611 - 470 = 141
141 ÷ 470 = 0.3
0.3 x 100 = 30%
Example