-88.27% is the change from 921 to 108
Calculation steps:
[( 108 - 921 ) ÷ 921] x 100 = -88.27%
Formula
Percentage change = [(108 - 921) / 921] x 100
Subtract the new number by the original number
108 - 921 = -813
-813 ÷ 921 = -0.8827361563517915
-0.8827361563517915 x 100 = -88.27%