394.12% is the change from 102 to 504
Calculation steps:
[( 504 - 102 ) ÷ 102] x 100 = 394.12%
Formula
Percentage change = [(504 - 102) / 102] x 100
Subtract the new number by the original number
504 - 102 = 402
402 ÷ 102 = 3.9411764705882355
3.9411764705882355 x 100 = 394.12%