-10.9% is the change from 963 to 858
Calculation steps:
[( 858 - 963 ) ÷ 963] x 100 = -10.9%
Formula
Percentage change = [(858 - 963) / 963] x 100
Subtract the new number by the original number
858 - 963 = -105
-105 ÷ 963 = -0.10903426791277258
-0.10903426791277258 x 100 = -10.9%