-9.81% is the change from 428 to 386
Calculation steps:
[( 386 - 428 ) ÷ 428] x 100 = -9.81%
Formula
Percentage change = [(386 - 428) / 428] x 100
Subtract the new number by the original number
386 - 428 = -42
-42 ÷ 428 = -0.09813084112149532
-0.09813084112149532 x 100 = -9.81%