-73.07% is the change from 921 to 248
Calculation steps:
[( 248 - 921 ) ÷ 921] x 100 = -73.07%
Formula
Percentage change = [(248 - 921) / 921] x 100
Subtract the new number by the original number
248 - 921 = -673
-673 ÷ 921 = -0.7307274701411509
-0.7307274701411509 x 100 = -73.07%