-14.96% is the change from 976 to 830
Calculation steps:
[( 830 - 976 ) ÷ 976] x 100 = -14.96%
Formula
Percentage change = [(830 - 976) / 976] x 100
Subtract the new number by the original number
830 - 976 = -146
-146 ÷ 976 = -0.14959016393442623
-0.14959016393442623 x 100 = -14.96%