-50.08% is the change from 629 to 314
Calculation steps:
[( 314 - 629 ) ÷ 629] x 100 = -50.08%
Formula
Percentage change = [(314 - 629) / 629] x 100
Subtract the new number by the original number
314 - 629 = -315
-315 ÷ 629 = -0.5007949125596184
-0.5007949125596184 x 100 = -50.08%