-24.5% is the change from 302 to 228
Calculation steps:
[( 228 - 302 ) ÷ 302] x 100 = -24.5%
Formula
Percentage change = [(228 - 302) / 302] x 100
Subtract the new number by the original number
228 - 302 = -74
-74 ÷ 302 = -0.24503311258278146
-0.24503311258278146 x 100 = -24.5%