-41.48% is the change from 839 to 491
Calculation steps:
[( 491 - 839 ) ÷ 839] x 100 = -41.48%
Formula
Percentage change = [(491 - 839) / 839] x 100
Subtract the new number by the original number
491 - 839 = -348
-348 ÷ 839 = -0.41477949940405245
-0.41477949940405245 x 100 = -41.48%