659.8% is the change from 102 to 775
Calculation steps:
[( 775 - 102 ) ÷ 102] x 100 = 659.8%
Formula
Percentage change = [(775 - 102) / 102] x 100
Subtract the new number by the original number
775 - 102 = 673
673 ÷ 102 = 6.598039215686274
6.598039215686274 x 100 = 659.8%