-8.41% is the change from 428 to 392
Calculation steps:
[( 392 - 428 ) ÷ 428] x 100 = -8.41%
Formula
Percentage change = [(392 - 428) / 428] x 100
Subtract the new number by the original number
392 - 428 = -36
-36 ÷ 428 = -0.08411214953271028
-0.08411214953271028 x 100 = -8.41%