492.5% is the change from 80 to 474
Calculation steps:
[( 474 - 80 ) ÷ 80] x 100 = 492.5%
Formula
Percentage change = [(474 - 80) / 80] x 100
Subtract the new number by the original number
474 - 80 = 394
394 ÷ 80 = 4.925
4.925 x 100 = 492.5%
Example