-41.89% is the change from 857 to 498
Calculation steps:
[( 498 - 857 ) ÷ 857] x 100 = -41.89%
Formula
Percentage change = [(498 - 857) / 857] x 100
Subtract the new number by the original number
498 - 857 = -359
-359 ÷ 857 = -0.41890315052508753
-0.41890315052508753 x 100 = -41.89%