-32.63% is the change from 331 to 223
Calculation steps:
[( 223 - 331 ) ÷ 331] x 100 = -32.63%
Formula
Percentage change = [(223 - 331) / 331] x 100
Subtract the new number by the original number
223 - 331 = -108
-108 ÷ 331 = -0.32628398791540786
-0.32628398791540786 x 100 = -32.63%