8450% is the change from 6 to 513
Calculation steps:
[( 513 - 6 ) ÷ 6] x 100 = 8450%
Formula
Percentage change = [(513 - 6) / 6] x 100
Subtract the new number by the original number
513 - 6 = 507
507 ÷ 6 = 84.5
84.5 x 100 = 8450%
Example