891.04% is the change from 67 to 664
Calculation steps:
[( 664 - 67 ) ÷ 67] x 100 = 891.04%
Formula
Percentage change = [(664 - 67) / 67] x 100
Subtract the new number by the original number
664 - 67 = 597
597 ÷ 67 = 8.91044776119403
8.91044776119403 x 100 = 891.04%