705.69% is the change from 123 to 991
Calculation steps:
[( 991 - 123 ) ÷ 123] x 100 = 705.69%
Formula
Percentage change = [(991 - 123) / 123] x 100
Subtract the new number by the original number
991 - 123 = 868
868 ÷ 123 = 7.056910569105691
7.056910569105691 x 100 = 705.69%