-27.73% is the change from 422 to 305
Calculation steps:
[( 305 - 422 ) ÷ 422] x 100 = -27.73%
Formula
Percentage change = [(305 - 422) / 422] x 100
Subtract the new number by the original number
305 - 422 = -117
-117 ÷ 422 = -0.2772511848341232
-0.2772511848341232 x 100 = -27.73%