-42.54% is the change from 851 to 489
Calculation steps:
[( 489 - 851 ) ÷ 851] x 100 = -42.54%
Formula
Percentage change = [(489 - 851) / 851] x 100
Subtract the new number by the original number
489 - 851 = -362
-362 ÷ 851 = -0.42538190364277323
-0.42538190364277323 x 100 = -42.54%