-85.63% is the change from 891 to 128
Calculation steps:
[( 128 - 891 ) ÷ 891] x 100 = -85.63%
Formula
Percentage change = [(128 - 891) / 891] x 100
Subtract the new number by the original number
128 - 891 = -763
-763 ÷ 891 = -0.856341189674523
-0.856341189674523 x 100 = -85.63%