662.69% is the change from 67 to 511
Calculation steps:
[( 511 - 67 ) ÷ 67] x 100 = 662.69%
Formula
Percentage change = [(511 - 67) / 67] x 100
Subtract the new number by the original number
511 - 67 = 444
444 ÷ 67 = 6.626865671641791
6.626865671641791 x 100 = 662.69%