-22.48% is the change from 307 to 238
Calculation steps:
[( 238 - 307 ) ÷ 307] x 100 = -22.48%
Formula
Percentage change = [(238 - 307) / 307] x 100
Subtract the new number by the original number
238 - 307 = -69
-69 ÷ 307 = -0.2247557003257329
-0.2247557003257329 x 100 = -22.48%