-2.21% is the change from 272 to 266
Calculation steps:
[( 266 - 272 ) ÷ 272] x 100 = -2.21%
Formula
Percentage change = [(266 - 272) / 272] x 100
Subtract the new number by the original number
266 - 272 = -6
-6 ÷ 272 = -0.022058823529411766
-0.022058823529411766 x 100 = -2.21%