-29.89% is the change from 880 to 617
Calculation steps:
[( 617 - 880 ) ÷ 880] x 100 = -29.89%
Formula
Percentage change = [(617 - 880) / 880] x 100
Subtract the new number by the original number
617 - 880 = -263
-263 ÷ 880 = -0.2988636363636364
-0.2988636363636364 x 100 = -29.89%