210.78% is the change from 102 to 317
Calculation steps:
[( 317 - 102 ) ÷ 102] x 100 = 210.78%
Formula
Percentage change = [(317 - 102) / 102] x 100
Subtract the new number by the original number
317 - 102 = 215
215 ÷ 102 = 2.107843137254902
2.107843137254902 x 100 = 210.78%