827.4% is the change from 73 to 677
Calculation steps:
[( 677 - 73 ) ÷ 73] x 100 = 827.4%
Formula
Percentage change = [(677 - 73) / 73] x 100
Subtract the new number by the original number
677 - 73 = 604
604 ÷ 73 = 8.273972602739725
8.273972602739725 x 100 = 827.4%