-13.9% is the change from 964 to 830
Calculation steps:
[( 830 - 964 ) ÷ 964] x 100 = -13.9%
Formula
Percentage change = [(830 - 964) / 964] x 100
Subtract the new number by the original number
830 - 964 = -134
-134 ÷ 964 = -0.13900414937759337
-0.13900414937759337 x 100 = -13.9%