-71.2% is the change from 861 to 248
Calculation steps:
[( 248 - 861 ) ÷ 861] x 100 = -71.2%
Formula
Percentage change = [(248 - 861) / 861] x 100
Subtract the new number by the original number
248 - 861 = -613
-613 ÷ 861 = -0.7119628339140535
-0.7119628339140535 x 100 = -71.2%