-52.18% is the change from 711 to 340
Calculation steps:
[( 340 - 711 ) ÷ 711] x 100 = -52.18%
Formula
Percentage change = [(340 - 711) / 711] x 100
Subtract the new number by the original number
340 - 711 = -371
-371 ÷ 711 = -0.5218002812939522
-0.5218002812939522 x 100 = -52.18%