-52.18% is the change from 918 to 439
Calculation steps:
[( 439 - 918 ) ÷ 918] x 100 = -52.18%
Formula
Percentage change = [(439 - 918) / 918] x 100
Subtract the new number by the original number
439 - 918 = -479
-479 ÷ 918 = -0.5217864923747276
-0.5217864923747276 x 100 = -52.18%