-83.68% is the change from 919 to 150
Calculation steps:
[( 150 - 919 ) ÷ 919] x 100 = -83.68%
Formula
Percentage change = [(150 - 919) / 919] x 100
Subtract the new number by the original number
150 - 919 = -769
-769 ÷ 919 = -0.8367791077257889
-0.8367791077257889 x 100 = -83.68%