-70.57% is the change from 880 to 259
Calculation steps:
[( 259 - 880 ) ÷ 880] x 100 = -70.57%
Formula
Percentage change = [(259 - 880) / 880] x 100
Subtract the new number by the original number
259 - 880 = -621
-621 ÷ 880 = -0.7056818181818182
-0.7056818181818182 x 100 = -70.57%