-80.13% is the change from 891 to 177
Calculation steps:
[( 177 - 891 ) ÷ 891] x 100 = -80.13%
Formula
Percentage change = [(177 - 891) / 891] x 100
Subtract the new number by the original number
177 - 891 = -714
-714 ÷ 891 = -0.8013468013468014
-0.8013468013468014 x 100 = -80.13%