-82.56% is the change from 814 to 142
Calculation steps:
[( 142 - 814 ) ÷ 814] x 100 = -82.56%
Formula
Percentage change = [(142 - 814) / 814] x 100
Subtract the new number by the original number
142 - 814 = -672
-672 ÷ 814 = -0.8255528255528255
-0.8255528255528255 x 100 = -82.56%