-6.34% is the change from 268 to 251
Calculation steps:
[( 251 - 268 ) ÷ 268] x 100 = -6.34%
Formula
Percentage change = [(251 - 268) / 268] x 100
Subtract the new number by the original number
251 - 268 = -17
-17 ÷ 268 = -0.06343283582089553
-0.06343283582089553 x 100 = -6.34%