-55.7% is the change from 711 to 315
Calculation steps:
[( 315 - 711 ) ÷ 711] x 100 = -55.7%
Formula
Percentage change = [(315 - 711) / 711] x 100
Subtract the new number by the original number
315 - 711 = -396
-396 ÷ 711 = -0.5569620253164557
-0.5569620253164557 x 100 = -55.7%