509.59% is the change from 73 to 445
Calculation steps:
[( 445 - 73 ) ÷ 73] x 100 = 509.59%
Formula
Percentage change = [(445 - 73) / 73] x 100
Subtract the new number by the original number
445 - 73 = 372
372 ÷ 73 = 5.095890410958904
5.095890410958904 x 100 = 509.59%