-28.74% is the change from 428 to 305
Calculation steps:
[( 305 - 428 ) ÷ 428] x 100 = -28.74%
Formula
Percentage change = [(305 - 428) / 428] x 100
Subtract the new number by the original number
305 - 428 = -123
-123 ÷ 428 = -0.28738317757009346
-0.28738317757009346 x 100 = -28.74%