-49.19% is the change from 614 to 312
Calculation steps:
[( 312 - 614 ) ÷ 614] x 100 = -49.19%
Formula
Percentage change = [(312 - 614) / 614] x 100
Subtract the new number by the original number
312 - 614 = -302
-302 ÷ 614 = -0.49185667752442996
-0.49185667752442996 x 100 = -49.19%