510.96% is the change from 73 to 446
Calculation steps:
[( 446 - 73 ) ÷ 73] x 100 = 510.96%
Formula
Percentage change = [(446 - 73) / 73] x 100
Subtract the new number by the original number
446 - 73 = 373
373 ÷ 73 = 5.109589041095891
5.109589041095891 x 100 = 510.96%