-61.7% is the change from 731 to 280
Calculation steps:
[( 280 - 731 ) ÷ 731] x 100 = -61.7%
Formula
Percentage change = [(280 - 731) / 731] x 100
Subtract the new number by the original number
280 - 731 = -451
-451 ÷ 731 = -0.6169630642954856
-0.6169630642954856 x 100 = -61.7%