-6.3% is the change from 238 to 223
Calculation steps:
[( 223 - 238 ) ÷ 238] x 100 = -6.3%
Formula
Percentage change = [(223 - 238) / 238] x 100
Subtract the new number by the original number
223 - 238 = -15
-15 ÷ 238 = -0.06302521008403361
-0.06302521008403361 x 100 = -6.3%