810.09% is the change from 109 to 992
Calculation steps:
[( 992 - 109 ) ÷ 109] x 100 = 810.09%
Formula
Percentage change = [(992 - 109) / 109] x 100
Subtract the new number by the original number
992 - 109 = 883
883 ÷ 109 = 8.100917431192661
8.100917431192661 x 100 = 810.09%