-16.89% is the change from 302 to 251
Calculation steps:
[( 251 - 302 ) ÷ 302] x 100 = -16.89%
Formula
Percentage change = [(251 - 302) / 302] x 100
Subtract the new number by the original number
251 - 302 = -51
-51 ÷ 302 = -0.16887417218543047
-0.16887417218543047 x 100 = -16.89%