-15.16% is the change from 963 to 817
Calculation steps:
[( 817 - 963 ) ÷ 963] x 100 = -15.16%
Formula
Percentage change = [(817 - 963) / 963] x 100
Subtract the new number by the original number
817 - 963 = -146
-146 ÷ 963 = -0.15160955347871236
-0.15160955347871236 x 100 = -15.16%