-49.92% is the change from 607 to 304
Calculation steps:
[( 304 - 607 ) ÷ 607] x 100 = -49.92%
Formula
Percentage change = [(304 - 607) / 607] x 100
Subtract the new number by the original number
304 - 607 = -303
-303 ÷ 607 = -0.49917627677100496
-0.49917627677100496 x 100 = -49.92%