650.56% is the change from 89 to 668
Calculation steps:
[( 668 - 89 ) ÷ 89] x 100 = 650.56%
Formula
Percentage change = [(668 - 89) / 89] x 100
Subtract the new number by the original number
668 - 89 = 579
579 ÷ 89 = 6.50561797752809
6.50561797752809 x 100 = 650.56%