527.52% is the change from 109 to 684
Calculation steps:
[( 684 - 109 ) ÷ 109] x 100 = 527.52%
Formula
Percentage change = [(684 - 109) / 109] x 100
Subtract the new number by the original number
684 - 109 = 575
575 ÷ 109 = 5.275229357798165
5.275229357798165 x 100 = 527.52%