680.6% is the change from 67 to 523
Calculation steps:
[( 523 - 67 ) ÷ 67] x 100 = 680.6%
Formula
Percentage change = [(523 - 67) / 67] x 100
Subtract the new number by the original number
523 - 67 = 456
456 ÷ 67 = 6.8059701492537314
6.8059701492537314 x 100 = 680.6%