-39.83% is the change from 698 to 420
Calculation steps:
[( 420 - 698 ) ÷ 698] x 100 = -39.83%
Formula
Percentage change = [(420 - 698) / 698] x 100
Subtract the new number by the original number
420 - 698 = -278
-278 ÷ 698 = -0.3982808022922636
-0.3982808022922636 x 100 = -39.83%