-70.79% is the change from 890 to 260
Calculation steps:
[( 260 - 890 ) ÷ 890] x 100 = -70.79%
Formula
Percentage change = [(260 - 890) / 890] x 100
Subtract the new number by the original number
260 - 890 = -630
-630 ÷ 890 = -0.7078651685393258
-0.7078651685393258 x 100 = -70.79%