-26.59% is the change from 331 to 243
Calculation steps:
[( 243 - 331 ) ÷ 331] x 100 = -26.59%
Formula
Percentage change = [(243 - 331) / 331] x 100
Subtract the new number by the original number
243 - 331 = -88
-88 ÷ 331 = -0.26586102719033233
-0.26586102719033233 x 100 = -26.59%