-6.59% is the change from 258 to 241
Calculation steps:
[( 241 - 258 ) ÷ 258] x 100 = -6.59%
Formula
Percentage change = [(241 - 258) / 258] x 100
Subtract the new number by the original number
241 - 258 = -17
-17 ÷ 258 = -0.06589147286821706
-0.06589147286821706 x 100 = -6.59%