339.66% is the change from 116 to 510
Calculation steps:
[( 510 - 116 ) ÷ 116] x 100 = 339.66%
Formula
Percentage change = [(510 - 116) / 116] x 100
Subtract the new number by the original number
510 - 116 = 394
394 ÷ 116 = 3.396551724137931
3.396551724137931 x 100 = 339.66%