862.69% is the change from 67 to 645
Calculation steps:
[( 645 - 67 ) ÷ 67] x 100 = 862.69%
Formula
Percentage change = [(645 - 67) / 67] x 100
Subtract the new number by the original number
645 - 67 = 578
578 ÷ 67 = 8.626865671641792
8.626865671641792 x 100 = 862.69%