900% is the change from 47 to 470
Calculation steps:
[( 470 - 47 ) ÷ 47] x 100 = 900%
Formula
Percentage change = [(470 - 47) / 47] x 100
Subtract the new number by the original number
470 - 47 = 423
423 ÷ 47 = 9
9 x 100 = 900%
Example