-70.15% is the change from 814 to 243
Calculation steps:
[( 243 - 814 ) ÷ 814] x 100 = -70.15%
Formula
Percentage change = [(243 - 814) / 814] x 100
Subtract the new number by the original number
243 - 814 = -571
-571 ÷ 814 = -0.7014742014742015
-0.7014742014742015 x 100 = -70.15%