-41.36% is the change from 851 to 499
Calculation steps:
[( 499 - 851 ) ÷ 851] x 100 = -41.36%
Formula
Percentage change = [(499 - 851) / 851] x 100
Subtract the new number by the original number
499 - 851 = -352
-352 ÷ 851 = -0.4136310223266745
-0.4136310223266745 x 100 = -41.36%