-7.93% is the change from 921 to 848
Calculation steps:
[( 848 - 921 ) ÷ 921] x 100 = -7.93%
Formula
Percentage change = [(848 - 921) / 921] x 100
Subtract the new number by the original number
848 - 921 = -73
-73 ÷ 921 = -0.07926167209554831
-0.07926167209554831 x 100 = -7.93%