-54.08% is the change from 980 to 450
Calculation steps:
[( 450 - 980 ) ÷ 980] x 100 = -54.08%
Formula
Percentage change = [(450 - 980) / 980] x 100
Subtract the new number by the original number
450 - 980 = -530
-530 ÷ 980 = -0.5408163265306123
-0.5408163265306123 x 100 = -54.08%