-69.72% is the change from 819 to 248
Calculation steps:
[( 248 - 819 ) ÷ 819] x 100 = -69.72%
Formula
Percentage change = [(248 - 819) / 819] x 100
Subtract the new number by the original number
248 - 819 = -571
-571 ÷ 819 = -0.6971916971916972
-0.6971916971916972 x 100 = -69.72%