-24.78% is the change from 807 to 607
Calculation steps:
[( 607 - 807 ) ÷ 807] x 100 = -24.78%
Formula
Percentage change = [(607 - 807) / 807] x 100
Subtract the new number by the original number
607 - 807 = -200
-200 ÷ 807 = -0.24783147459727387
-0.24783147459727387 x 100 = -24.78%