-25.47% is the change from 428 to 319
Calculation steps:
[( 319 - 428 ) ÷ 428] x 100 = -25.47%
Formula
Percentage change = [(319 - 428) / 428] x 100
Subtract the new number by the original number
319 - 428 = -109
-109 ÷ 428 = -0.2546728971962617
-0.2546728971962617 x 100 = -25.47%