-48.62% is the change from 833 to 428
Calculation steps:
[( 428 - 833 ) ÷ 833] x 100 = -48.62%
Formula
Percentage change = [(428 - 833) / 833] x 100
Subtract the new number by the original number
428 - 833 = -405
-405 ÷ 833 = -0.48619447779111646
-0.48619447779111646 x 100 = -48.62%