-68.9% is the change from 984 to 306
Calculation steps:
[( 306 - 984 ) ÷ 984] x 100 = -68.9%
Formula
Percentage change = [(306 - 984) / 984] x 100
Subtract the new number by the original number
306 - 984 = -678
-678 ÷ 984 = -0.6890243902439024
-0.6890243902439024 x 100 = -68.9%