91.49% is the change from 470 to 900
Calculation steps:
[( 900 - 470 ) ÷ 470] x 100 = 91.49%
Formula
Percentage change = [(900 - 470) / 470] x 100
Subtract the new number by the original number
900 - 470 = 430
430 ÷ 470 = 0.9148936170212766
0.9148936170212766 x 100 = 91.49%