-57.18% is the change from 710 to 304
Calculation steps:
[( 304 - 710 ) ÷ 710] x 100 = -57.18%
Formula
Percentage change = [(304 - 710) / 710] x 100
Subtract the new number by the original number
304 - 710 = -406
-406 ÷ 710 = -0.571830985915493
-0.571830985915493 x 100 = -57.18%