395.15% is the change from 103 to 510
Calculation steps:
[( 510 - 103 ) ÷ 103] x 100 = 395.15%
Formula
Percentage change = [(510 - 103) / 103] x 100
Subtract the new number by the original number
510 - 103 = 407
407 ÷ 103 = 3.9514563106796117
3.9514563106796117 x 100 = 395.15%