-54.38% is the change from 673 to 307
Calculation steps:
[( 307 - 673 ) ÷ 673] x 100 = -54.38%
Formula
Percentage change = [(307 - 673) / 673] x 100
Subtract the new number by the original number
307 - 673 = -366
-366 ÷ 673 = -0.5438335809806835
-0.5438335809806835 x 100 = -54.38%