-68.22% is the change from 963 to 306
Calculation steps:
[( 306 - 963 ) ÷ 963] x 100 = -68.22%
Formula
Percentage change = [(306 - 963) / 963] x 100
Subtract the new number by the original number
306 - 963 = -657
-657 ÷ 963 = -0.6822429906542056
-0.6822429906542056 x 100 = -68.22%