-78.56% is the change from 891 to 191
Calculation steps:
[( 191 - 891 ) ÷ 891] x 100 = -78.56%
Formula
Percentage change = [(191 - 891) / 891] x 100
Subtract the new number by the original number
191 - 891 = -700
-700 ÷ 891 = -0.7856341189674523
-0.7856341189674523 x 100 = -78.56%