-13.18% is the change from 956 to 830
Calculation steps:
[( 830 - 956 ) ÷ 956] x 100 = -13.18%
Formula
Percentage change = [(830 - 956) / 956] x 100
Subtract the new number by the original number
830 - 956 = -126
-126 ÷ 956 = -0.13179916317991633
-0.13179916317991633 x 100 = -13.18%