-50.32% is the change from 626 to 311
Calculation steps:
[( 311 - 626 ) ÷ 626] x 100 = -50.32%
Formula
Percentage change = [(311 - 626) / 626] x 100
Subtract the new number by the original number
311 - 626 = -315
-315 ÷ 626 = -0.5031948881789138
-0.5031948881789138 x 100 = -50.32%