-71.25% is the change from 814 to 234
Calculation steps:
[( 234 - 814 ) ÷ 814] x 100 = -71.25%
Formula
Percentage change = [(234 - 814) / 814] x 100
Subtract the new number by the original number
234 - 814 = -580
-580 ÷ 814 = -0.7125307125307125
-0.7125307125307125 x 100 = -71.25%