-45.45% is the change from 891 to 486
Calculation steps:
[( 486 - 891 ) ÷ 891] x 100 = -45.45%
Formula
Percentage change = [(486 - 891) / 891] x 100
Subtract the new number by the original number
486 - 891 = -405
-405 ÷ 891 = -0.45454545454545453
-0.45454545454545453 x 100 = -45.45%