-13.81% is the change from 963 to 830
Calculation steps:
[( 830 - 963 ) ÷ 963] x 100 = -13.81%
Formula
Percentage change = [(830 - 963) / 963] x 100
Subtract the new number by the original number
830 - 963 = -133
-133 ÷ 963 = -0.13811007268951195
-0.13811007268951195 x 100 = -13.81%