-24.55% is the change from 880 to 664
Calculation steps:
[( 664 - 880 ) ÷ 880] x 100 = -24.55%
Formula
Percentage change = [(664 - 880) / 880] x 100
Subtract the new number by the original number
664 - 880 = -216
-216 ÷ 880 = -0.24545454545454545
-0.24545454545454545 x 100 = -24.55%