-38.83% is the change from 891 to 545
Calculation steps:
[( 545 - 891 ) ÷ 891] x 100 = -38.83%
Formula
Percentage change = [(545 - 891) / 891] x 100
Subtract the new number by the original number
545 - 891 = -346
-346 ÷ 891 = -0.388327721661055
-0.388327721661055 x 100 = -38.83%