348.04% is the change from 102 to 457
Calculation steps:
[( 457 - 102 ) ÷ 102] x 100 = 348.04%
Formula
Percentage change = [(457 - 102) / 102] x 100
Subtract the new number by the original number
457 - 102 = 355
355 ÷ 102 = 3.480392156862745
3.480392156862745 x 100 = 348.04%