791% is the change from 100 to 891
Calculation steps:
[( 891 - 100 ) ÷ 100] x 100 = 791%
Formula
Percentage change = [(891 - 100) / 100] x 100
Subtract the new number by the original number
891 - 100 = 791
791 ÷ 100 = 7.91
7.91 x 100 = 791%
Example