-56.4% is the change from 711 to 310
Calculation steps:
[( 310 - 711 ) ÷ 711] x 100 = -56.4%
Formula
Percentage change = [(310 - 711) / 711] x 100
Subtract the new number by the original number
310 - 711 = -401
-401 ÷ 711 = -0.5639943741209564
-0.5639943741209564 x 100 = -56.4%