-35.51% is the change from 428 to 276
Calculation steps:
[( 276 - 428 ) ÷ 428] x 100 = -35.51%
Formula
Percentage change = [(276 - 428) / 428] x 100
Subtract the new number by the original number
276 - 428 = -152
-152 ÷ 428 = -0.35514018691588783
-0.35514018691588783 x 100 = -35.51%