-39.84% is the change from 891 to 536
Calculation steps:
[( 536 - 891 ) ÷ 891] x 100 = -39.84%
Formula
Percentage change = [(536 - 891) / 891] x 100
Subtract the new number by the original number
536 - 891 = -355
-355 ÷ 891 = -0.3984287317620651
-0.3984287317620651 x 100 = -39.84%