-0.74% is the change from 272 to 270
Calculation steps:
[( 270 - 272 ) ÷ 272] x 100 = -0.74%
Formula
Percentage change = [(270 - 272) / 272] x 100
Subtract the new number by the original number
270 - 272 = -2
-2 ÷ 272 = -0.007352941176470588
-0.007352941176470588 x 100 = -0.74%