-60.67% is the change from 811 to 319
Calculation steps:
[( 319 - 811 ) ÷ 811] x 100 = -60.67%
Formula
Percentage change = [(319 - 811) / 811] x 100
Subtract the new number by the original number
319 - 811 = -492
-492 ÷ 811 = -0.6066584463625154
-0.6066584463625154 x 100 = -60.67%