-53.79% is the change from 673 to 311
Calculation steps:
[( 311 - 673 ) ÷ 673] x 100 = -53.79%
Formula
Percentage change = [(311 - 673) / 673] x 100
Subtract the new number by the original number
311 - 673 = -362
-362 ÷ 673 = -0.537890044576523
-0.537890044576523 x 100 = -53.79%