-41.89% is the change from 845 to 491
Calculation steps:
[( 491 - 845 ) ÷ 845] x 100 = -41.89%
Formula
Percentage change = [(491 - 845) / 845] x 100
Subtract the new number by the original number
491 - 845 = -354
-354 ÷ 845 = -0.41893491124260357
-0.41893491124260357 x 100 = -41.89%