-65.23% is the change from 880 to 306
Calculation steps:
[( 306 - 880 ) ÷ 880] x 100 = -65.23%
Formula
Percentage change = [(306 - 880) / 880] x 100
Subtract the new number by the original number
306 - 880 = -574
-574 ÷ 880 = -0.6522727272727272
-0.6522727272727272 x 100 = -65.23%