-64.34% is the change from 673 to 240
Calculation steps:
[( 240 - 673 ) ÷ 673] x 100 = -64.34%
Formula
Percentage change = [(240 - 673) / 673] x 100
Subtract the new number by the original number
240 - 673 = -433
-433 ÷ 673 = -0.6433878157503715
-0.6433878157503715 x 100 = -64.34%