-14.99% is the change from 974 to 828
Calculation steps:
[( 828 - 974 ) ÷ 974] x 100 = -14.99%
Formula
Percentage change = [(828 - 974) / 974] x 100
Subtract the new number by the original number
828 - 974 = -146
-146 ÷ 974 = -0.14989733059548255
-0.14989733059548255 x 100 = -14.99%