-77.22% is the change from 979 to 223
Calculation steps:
[( 223 - 979 ) ÷ 979] x 100 = -77.22%
Formula
Percentage change = [(223 - 979) / 979] x 100
Subtract the new number by the original number
223 - 979 = -756
-756 ÷ 979 = -0.7722165474974464
-0.7722165474974464 x 100 = -77.22%