-22.83% is the change from 403 to 311
Calculation steps:
[( 311 - 403 ) ÷ 403] x 100 = -22.83%
Formula
Percentage change = [(311 - 403) / 403] x 100
Subtract the new number by the original number
311 - 403 = -92
-92 ÷ 403 = -0.228287841191067
-0.228287841191067 x 100 = -22.83%