8383.33% is the change from 6 to 509
Calculation steps:
[( 509 - 6 ) ÷ 6] x 100 = 8383.33%
Formula
Percentage change = [(509 - 6) / 6] x 100
Subtract the new number by the original number
509 - 6 = 503
503 ÷ 6 = 83.83333333333333
83.83333333333333 x 100 = 8383.33%