-16.92% is the change from 331 to 275
Calculation steps:
[( 275 - 331 ) ÷ 331] x 100 = -16.92%
Formula
Percentage change = [(275 - 331) / 331] x 100
Subtract the new number by the original number
275 - 331 = -56
-56 ÷ 331 = -0.1691842900302115
-0.1691842900302115 x 100 = -16.92%