-65.6% is the change from 904 to 311
Calculation steps:
[( 311 - 904 ) ÷ 904] x 100 = -65.6%
Formula
Percentage change = [(311 - 904) / 904] x 100
Subtract the new number by the original number
311 - 904 = -593
-593 ÷ 904 = -0.6559734513274337
-0.6559734513274337 x 100 = -65.6%