-83.75% is the change from 923 to 150
Calculation steps:
[( 150 - 923 ) ÷ 923] x 100 = -83.75%
Formula
Percentage change = [(150 - 923) / 923] x 100
Subtract the new number by the original number
150 - 923 = -773
-773 ÷ 923 = -0.8374864572047671
-0.8374864572047671 x 100 = -83.75%