-33.89% is the change from 422 to 279
Calculation steps:
[( 279 - 422 ) ÷ 422] x 100 = -33.89%
Formula
Percentage change = [(279 - 422) / 422] x 100
Subtract the new number by the original number
279 - 422 = -143
-143 ÷ 422 = -0.33886255924170616
-0.33886255924170616 x 100 = -33.89%