-82.15% is the change from 919 to 164
Calculation steps:
[( 164 - 919 ) ÷ 919] x 100 = -82.15%
Formula
Percentage change = [(164 - 919) / 919] x 100
Subtract the new number by the original number
164 - 919 = -755
-755 ÷ 919 = -0.8215451577801959
-0.8215451577801959 x 100 = -82.15%