843.96% is the change from 91 to 859
Calculation steps:
[( 859 - 91 ) ÷ 91] x 100 = 843.96%
Formula
Percentage change = [(859 - 91) / 91] x 100
Subtract the new number by the original number
859 - 91 = 768
768 ÷ 91 = 8.43956043956044
8.43956043956044 x 100 = 843.96%