-65.71% is the change from 904 to 310
Calculation steps:
[( 310 - 904 ) ÷ 904] x 100 = -65.71%
Formula
Percentage change = [(310 - 904) / 904] x 100
Subtract the new number by the original number
310 - 904 = -594
-594 ÷ 904 = -0.6570796460176991
-0.6570796460176991 x 100 = -65.71%