-15.35% is the change from 964 to 816
Calculation steps:
[( 816 - 964 ) ÷ 964] x 100 = -15.35%
Formula
Percentage change = [(816 - 964) / 964] x 100
Subtract the new number by the original number
816 - 964 = -148
-148 ÷ 964 = -0.15352697095435686
-0.15352697095435686 x 100 = -15.35%