806.85% is the change from 73 to 662
Calculation steps:
[( 662 - 73 ) ÷ 73] x 100 = 806.85%
Formula
Percentage change = [(662 - 73) / 73] x 100
Subtract the new number by the original number
662 - 73 = 589
589 ÷ 73 = 8.068493150684931
8.068493150684931 x 100 = 806.85%