-16.62% is the change from 331 to 276
Calculation steps:
[( 276 - 331 ) ÷ 331] x 100 = -16.62%
Formula
Percentage change = [(276 - 331) / 331] x 100
Subtract the new number by the original number
276 - 331 = -55
-55 ÷ 331 = -0.1661631419939577
-0.1661631419939577 x 100 = -16.62%