208.82% is the change from 102 to 315
Calculation steps:
[( 315 - 102 ) ÷ 102] x 100 = 208.82%
Formula
Percentage change = [(315 - 102) / 102] x 100
Subtract the new number by the original number
315 - 102 = 213
213 ÷ 102 = 2.088235294117647
2.088235294117647 x 100 = 208.82%