502.7% is the change from 74 to 446
Calculation steps:
[( 446 - 74 ) ÷ 74] x 100 = 502.7%
Formula
Percentage change = [(446 - 74) / 74] x 100
Subtract the new number by the original number
446 - 74 = 372
372 ÷ 74 = 5.027027027027027
5.027027027027027 x 100 = 502.7%