-65.29% is the change from 919 to 319
Calculation steps:
[( 319 - 919 ) ÷ 919] x 100 = -65.29%
Formula
Percentage change = [(319 - 919) / 919] x 100
Subtract the new number by the original number
319 - 919 = -600
-600 ÷ 919 = -0.6528835690968444
-0.6528835690968444 x 100 = -65.29%