-7.46% is the change from 456 to 422
Calculation steps:
[( 422 - 456 ) ÷ 456] x 100 = -7.46%
Formula
Percentage change = [(422 - 456) / 456] x 100
Subtract the new number by the original number
422 - 456 = -34
-34 ÷ 456 = -0.07456140350877193
-0.07456140350877193 x 100 = -7.46%