-6.64% is the change from 301 to 281
Calculation steps:
[( 281 - 301 ) ÷ 301] x 100 = -6.64%
Formula
Percentage change = [(281 - 301) / 301] x 100
Subtract the new number by the original number
281 - 301 = -20
-20 ÷ 301 = -0.0664451827242525
-0.0664451827242525 x 100 = -6.64%