6950% is the change from 6 to 423
Calculation steps:
[( 423 - 6 ) ÷ 6] x 100 = 6950%
Formula
Percentage change = [(423 - 6) / 6] x 100
Subtract the new number by the original number
423 - 6 = 417
417 ÷ 6 = 69.5
69.5 x 100 = 6950%
Example