-65.14% is the change from 918 to 320
Calculation steps:
[( 320 - 918 ) ÷ 918] x 100 = -65.14%
Formula
Percentage change = [(320 - 918) / 918] x 100
Subtract the new number by the original number
320 - 918 = -598
-598 ÷ 918 = -0.6514161220043573
-0.6514161220043573 x 100 = -65.14%