-17.55% is the change from 302 to 249
Calculation steps:
[( 249 - 302 ) ÷ 302] x 100 = -17.55%
Formula
Percentage change = [(249 - 302) / 302] x 100
Subtract the new number by the original number
249 - 302 = -53
-53 ÷ 302 = -0.17549668874172186
-0.17549668874172186 x 100 = -17.55%