-86.78% is the change from 923 to 122
Calculation steps:
[( 122 - 923 ) ÷ 923] x 100 = -86.78%
Formula
Percentage change = [(122 - 923) / 923] x 100
Subtract the new number by the original number
122 - 923 = -801
-801 ÷ 923 = -0.8678223185265439
-0.8678223185265439 x 100 = -86.78%