-70.93% is the change from 891 to 259
Calculation steps:
[( 259 - 891 ) ÷ 891] x 100 = -70.93%
Formula
Percentage change = [(259 - 891) / 891] x 100
Subtract the new number by the original number
259 - 891 = -632
-632 ÷ 891 = -0.7093153759820426
-0.7093153759820426 x 100 = -70.93%