666.97% is the change from 109 to 836
Calculation steps:
[( 836 - 109 ) ÷ 109] x 100 = 666.97%
Formula
Percentage change = [(836 - 109) / 109] x 100
Subtract the new number by the original number
836 - 109 = 727
727 ÷ 109 = 6.669724770642202
6.669724770642202 x 100 = 666.97%