237.25% is the change from 102 to 344
Calculation steps:
[( 344 - 102 ) ÷ 102] x 100 = 237.25%
Formula
Percentage change = [(344 - 102) / 102] x 100
Subtract the new number by the original number
344 - 102 = 242
242 ÷ 102 = 2.372549019607843
2.372549019607843 x 100 = 237.25%