-39.62% is the change from 891 to 538
Calculation steps:
[( 538 - 891 ) ÷ 891] x 100 = -39.62%
Formula
Percentage change = [(538 - 891) / 891] x 100
Subtract the new number by the original number
538 - 891 = -353
-353 ÷ 891 = -0.3961840628507295
-0.3961840628507295 x 100 = -39.62%
Example