824.32% is the change from 74 to 684
Calculation steps:
[( 684 - 74 ) ÷ 74] x 100 = 824.32%
Formula
Percentage change = [(684 - 74) / 74] x 100
Subtract the new number by the original number
684 - 74 = 610
610 ÷ 74 = 8.243243243243244
8.243243243243244 x 100 = 824.32%