-42.97% is the change from 861 to 491
Calculation steps:
[( 491 - 861 ) ÷ 861] x 100 = -42.97%
Formula
Percentage change = [(491 - 861) / 861] x 100
Subtract the new number by the original number
491 - 861 = -370
-370 ÷ 861 = -0.429732868757259
-0.429732868757259 x 100 = -42.97%