-67.84% is the change from 964 to 310
Calculation steps:
[( 310 - 964 ) ÷ 964] x 100 = -67.84%
Formula
Percentage change = [(310 - 964) / 964] x 100
Subtract the new number by the original number
310 - 964 = -654
-654 ÷ 964 = -0.6784232365145229
-0.6784232365145229 x 100 = -67.84%