-5.26% is the change from 266 to 252
Calculation steps:
[( 252 - 266 ) ÷ 266] x 100 = -5.26%
Formula
Percentage change = [(252 - 266) / 266] x 100
Subtract the new number by the original number
252 - 266 = -14
-14 ÷ 266 = -0.05263157894736842
-0.05263157894736842 x 100 = -5.26%