70.21% is the change from 470 to 800
Calculation steps:
[( 800 - 470 ) ÷ 470] x 100 = 70.21%
Formula
Percentage change = [(800 - 470) / 470] x 100
Subtract the new number by the original number
800 - 470 = 330
330 ÷ 470 = 0.7021276595744681
0.7021276595744681 x 100 = 70.21%