-20.54% is the change from 331 to 263
Calculation steps:
[( 263 - 331 ) ÷ 331] x 100 = -20.54%
Formula
Percentage change = [(263 - 331) / 331] x 100
Subtract the new number by the original number
263 - 331 = -68
-68 ÷ 331 = -0.2054380664652568
-0.2054380664652568 x 100 = -20.54%