-15.12% is the change from 999 to 848
Calculation steps:
[( 848 - 999 ) ÷ 999] x 100 = -15.12%
Formula
Percentage change = [(848 - 999) / 999] x 100
Subtract the new number by the original number
848 - 999 = -151
-151 ÷ 999 = -0.15115115115115116
-0.15115115115115116 x 100 = -15.12%