-6.95% is the change from 302 to 281
Calculation steps:
[( 281 - 302 ) ÷ 302] x 100 = -6.95%
Formula
Percentage change = [(281 - 302) / 302] x 100
Subtract the new number by the original number
281 - 302 = -21
-21 ÷ 302 = -0.0695364238410596
-0.0695364238410596 x 100 = -6.95%