-68.06% is the change from 958 to 306
Calculation steps:
[( 306 - 958 ) ÷ 958] x 100 = -68.06%
Formula
Percentage change = [(306 - 958) / 958] x 100
Subtract the new number by the original number
306 - 958 = -652
-652 ÷ 958 = -0.6805845511482255
-0.6805845511482255 x 100 = -68.06%