-49.68% is the change from 622 to 313
Calculation steps:
[( 313 - 622 ) ÷ 622] x 100 = -49.68%
Formula
Percentage change = [(313 - 622) / 622] x 100
Subtract the new number by the original number
313 - 622 = -309
-309 ÷ 622 = -0.4967845659163987
-0.4967845659163987 x 100 = -49.68%