-14.78% is the change from 974 to 830
Calculation steps:
[( 830 - 974 ) ÷ 974] x 100 = -14.78%
Formula
Percentage change = [(830 - 974) / 974] x 100
Subtract the new number by the original number
830 - 974 = -144
-144 ÷ 974 = -0.14784394250513347
-0.14784394250513347 x 100 = -14.78%