-54.03% is the change from 979 to 450
Calculation steps:
[( 450 - 979 ) ÷ 979] x 100 = -54.03%
Formula
Percentage change = [(450 - 979) / 979] x 100
Subtract the new number by the original number
450 - 979 = -529
-529 ÷ 979 = -0.5403472931562819
-0.5403472931562819 x 100 = -54.03%