-50.49% is the change from 614 to 304
Calculation steps:
[( 304 - 614 ) ÷ 614] x 100 = -50.49%
Formula
Percentage change = [(304 - 614) / 614] x 100
Subtract the new number by the original number
304 - 614 = -310
-310 ÷ 614 = -0.504885993485342
-0.504885993485342 x 100 = -50.49%