513.7% is the change from 73 to 448
Calculation steps:
[( 448 - 73 ) ÷ 73] x 100 = 513.7%
Formula
Percentage change = [(448 - 73) / 73] x 100
Subtract the new number by the original number
448 - 73 = 375
375 ÷ 73 = 5.136986301369863
5.136986301369863 x 100 = 513.7%