-21.25% is the change from 979 to 771
Calculation steps:
[( 771 - 979 ) ÷ 979] x 100 = -21.25%
Formula
Percentage change = [(771 - 979) / 979] x 100
Subtract the new number by the original number
771 - 979 = -208
-208 ÷ 979 = -0.212461695607763
-0.212461695607763 x 100 = -21.25%