16800% is the change from 3 to 507
Calculation steps:
[( 507 - 3 ) ÷ 3] x 100 = 16800%
Formula
Percentage change = [(507 - 3) / 3] x 100
Subtract the new number by the original number
507 - 3 = 504
504 ÷ 3 = 168
168 x 100 = 16800%
Example