-5.14% is the change from 428 to 406
Calculation steps:
[( 406 - 428 ) ÷ 428] x 100 = -5.14%
Formula
Percentage change = [(406 - 428) / 428] x 100
Subtract the new number by the original number
406 - 428 = -22
-22 ÷ 428 = -0.0514018691588785
-0.0514018691588785 x 100 = -5.14%