657.8% is the change from 109 to 826
Calculation steps:
[( 826 - 109 ) ÷ 109] x 100 = 657.8%
Formula
Percentage change = [(826 - 109) / 109] x 100
Subtract the new number by the original number
826 - 109 = 717
717 ÷ 109 = 6.577981651376147
6.577981651376147 x 100 = 657.8%