-13.65% is the change from 315 to 272
Calculation steps:
[( 272 - 315 ) ÷ 315] x 100 = -13.65%
Formula
Percentage change = [(272 - 315) / 315] x 100
Subtract the new number by the original number
272 - 315 = -43
-43 ÷ 315 = -0.1365079365079365
-0.1365079365079365 x 100 = -13.65%