-56.12% is the change from 711 to 312
Calculation steps:
[( 312 - 711 ) ÷ 711] x 100 = -56.12%
Formula
Percentage change = [(312 - 711) / 711] x 100
Subtract the new number by the original number
312 - 711 = -399
-399 ÷ 711 = -0.5611814345991561
-0.5611814345991561 x 100 = -56.12%