-71.72% is the change from 891 to 252
Calculation steps:
[( 252 - 891 ) ÷ 891] x 100 = -71.72%
Formula
Percentage change = [(252 - 891) / 891] x 100
Subtract the new number by the original number
252 - 891 = -639
-639 ÷ 891 = -0.7171717171717171
-0.7171717171717171 x 100 = -71.72%