-26.38% is the change from 307 to 226
Calculation steps:
[( 226 - 307 ) ÷ 307] x 100 = -26.38%
Formula
Percentage change = [(226 - 307) / 307] x 100
Subtract the new number by the original number
226 - 307 = -81
-81 ÷ 307 = -0.26384364820846906
-0.26384364820846906 x 100 = -26.38%