749.32% is the change from 73 to 620
Calculation steps:
[( 620 - 73 ) ÷ 73] x 100 = 749.32%
Formula
Percentage change = [(620 - 73) / 73] x 100
Subtract the new number by the original number
620 - 73 = 547
547 ÷ 73 = 7.493150684931507
7.493150684931507 x 100 = 749.32%