-21.85% is the change from 302 to 236
Calculation steps:
[( 236 - 302 ) ÷ 302] x 100 = -21.85%
Formula
Percentage change = [(236 - 302) / 302] x 100
Subtract the new number by the original number
236 - 302 = -66
-66 ÷ 302 = -0.2185430463576159
-0.2185430463576159 x 100 = -21.85%