-31.1% is the change from 463 to 319
Calculation steps:
[( 319 - 463 ) ÷ 463] x 100 = -31.1%
Formula
Percentage change = [(319 - 463) / 463] x 100
Subtract the new number by the original number
319 - 463 = -144
-144 ÷ 463 = -0.31101511879049676
-0.31101511879049676 x 100 = -31.1%