640.54% is the change from 74 to 548
Calculation steps:
[( 548 - 74 ) ÷ 74] x 100 = 640.54%
Formula
Percentage change = [(548 - 74) / 74] x 100
Subtract the new number by the original number
548 - 74 = 474
474 ÷ 74 = 6.405405405405405
6.405405405405405 x 100 = 640.54%