-27.36% is the change from 307 to 223
Calculation steps:
[( 223 - 307 ) ÷ 307] x 100 = -27.36%
Formula
Percentage change = [(223 - 307) / 307] x 100
Subtract the new number by the original number
223 - 307 = -84
-84 ÷ 307 = -0.2736156351791531
-0.2736156351791531 x 100 = -27.36%
Example