341.18% is the change from 102 to 450
Calculation steps:
[( 450 - 102 ) ÷ 102] x 100 = 341.18%
Formula
Percentage change = [(450 - 102) / 102] x 100
Subtract the new number by the original number
450 - 102 = 348
348 ÷ 102 = 3.411764705882353
3.411764705882353 x 100 = 341.18%