-68.26% is the change from 964 to 306
Calculation steps:
[( 306 - 964 ) ÷ 964] x 100 = -68.26%
Formula
Percentage change = [(306 - 964) / 964] x 100
Subtract the new number by the original number
306 - 964 = -658
-658 ÷ 964 = -0.6825726141078838
-0.6825726141078838 x 100 = -68.26%