-2.16% is the change from 278 to 272
Calculation steps:
[( 272 - 278 ) ÷ 278] x 100 = -2.16%
Formula
Percentage change = [(272 - 278) / 278] x 100
Subtract the new number by the original number
272 - 278 = -6
-6 ÷ 278 = -0.02158273381294964
-0.02158273381294964 x 100 = -2.16%