-2.34% is the change from 428 to 418
Calculation steps:
[( 418 - 428 ) ÷ 428] x 100 = -2.34%
Formula
Percentage change = [(418 - 428) / 428] x 100
Subtract the new number by the original number
418 - 428 = -10
-10 ÷ 428 = -0.02336448598130841
-0.02336448598130841 x 100 = -2.34%