-64.81% is the change from 881 to 310
Calculation steps:
[( 310 - 881 ) ÷ 881] x 100 = -64.81%
Formula
Percentage change = [(310 - 881) / 881] x 100
Subtract the new number by the original number
310 - 881 = -571
-571 ÷ 881 = -0.6481271282633371
-0.6481271282633371 x 100 = -64.81%