-17.82% is the change from 331 to 272
Calculation steps:
[( 272 - 331 ) ÷ 331] x 100 = -17.82%
Formula
Percentage change = [(272 - 331) / 331] x 100
Subtract the new number by the original number
272 - 331 = -59
-59 ÷ 331 = -0.1782477341389728
-0.1782477341389728 x 100 = -17.82%