836.99% is the change from 73 to 684
Calculation steps:
[( 684 - 73 ) ÷ 73] x 100 = 836.99%
Formula
Percentage change = [(684 - 73) / 73] x 100
Subtract the new number by the original number
684 - 73 = 611
611 ÷ 73 = 8.36986301369863
8.36986301369863 x 100 = 836.99%