676.4% is the change from 89 to 691
Calculation steps:
[( 691 - 89 ) ÷ 89] x 100 = 676.4%
Formula
Percentage change = [(691 - 89) / 89] x 100
Subtract the new number by the original number
691 - 89 = 602
602 ÷ 89 = 6.764044943820225
6.764044943820225 x 100 = 676.4%