-47.38% is the change from 591 to 311
Calculation steps:
[( 311 - 591 ) ÷ 591] x 100 = -47.38%
Formula
Percentage change = [(311 - 591) / 591] x 100
Subtract the new number by the original number
311 - 591 = -280
-280 ÷ 591 = -0.47377326565143824
-0.47377326565143824 x 100 = -47.38%