-50.89% is the change from 619 to 304
Calculation steps:
[( 304 - 619 ) ÷ 619] x 100 = -50.89%
Formula
Percentage change = [(304 - 619) / 619] x 100
Subtract the new number by the original number
304 - 619 = -315
-315 ÷ 619 = -0.5088852988691438
-0.5088852988691438 x 100 = -50.89%