986.81% is the change from 91 to 989
Calculation steps:
[( 989 - 91 ) ÷ 91] x 100 = 986.81%
Formula
Percentage change = [(989 - 91) / 91] x 100
Subtract the new number by the original number
989 - 91 = 898
898 ÷ 91 = 9.868131868131869
9.868131868131869 x 100 = 986.81%