-17.52% is the change from 331 to 273
Calculation steps:
[( 273 - 331 ) ÷ 331] x 100 = -17.52%
Formula
Percentage change = [(273 - 331) / 331] x 100
Subtract the new number by the original number
273 - 331 = -58
-58 ÷ 331 = -0.17522658610271905
-0.17522658610271905 x 100 = -17.52%