400% is the change from 103 to 515
Calculation steps:
[( 515 - 103 ) ÷ 103] x 100 = 400%
Formula
Percentage change = [(515 - 103) / 103] x 100
Subtract the new number by the original number
515 - 103 = 412
412 ÷ 103 = 4
4 x 100 = 400%
Example