888.89% is the change from 99 to 979
Calculation steps:
[( 979 - 99 ) ÷ 99] x 100 = 888.89%
Formula
Percentage change = [(979 - 99) / 99] x 100
Subtract the new number by the original number
979 - 99 = 880
880 ÷ 99 = 8.88888888888889
8.88888888888889 x 100 = 888.89%