-16.46% is the change from 814 to 680
Calculation steps:
[( 680 - 814 ) ÷ 814] x 100 = -16.46%
Formula
Percentage change = [(680 - 814) / 814] x 100
Subtract the new number by the original number
680 - 814 = -134
-134 ÷ 814 = -0.16461916461916462
-0.16461916461916462 x 100 = -16.46%