792.79% is the change from 111 to 991
Calculation steps:
[( 991 - 111 ) ÷ 111] x 100 = 792.79%
Formula
Percentage change = [(991 - 111) / 111] x 100
Subtract the new number by the original number
991 - 111 = 880
880 ÷ 111 = 7.927927927927928
7.927927927927928 x 100 = 792.79%