800% is the change from 67 to 603
Calculation steps:
[( 603 - 67 ) ÷ 67] x 100 = 800%
Formula
Percentage change = [(603 - 67) / 67] x 100
Subtract the new number by the original number
603 - 67 = 536
536 ÷ 67 = 8
8 x 100 = 800%
Example