859.7% is the change from 67 to 643
Calculation steps:
[( 643 - 67 ) ÷ 67] x 100 = 859.7%
Formula
Percentage change = [(643 - 67) / 67] x 100
Subtract the new number by the original number
643 - 67 = 576
576 ÷ 67 = 8.597014925373134
8.597014925373134 x 100 = 859.7%