540.54% is the change from 74 to 474
Calculation steps:
[( 474 - 74 ) ÷ 74] x 100 = 540.54%
Formula
Percentage change = [(474 - 74) / 74] x 100
Subtract the new number by the original number
474 - 74 = 400
400 ÷ 74 = 5.405405405405405
5.405405405405405 x 100 = 540.54%