-39.77% is the change from 699 to 421
Calculation steps:
[( 421 - 699 ) ÷ 699] x 100 = -39.77%
Formula
Percentage change = [(421 - 699) / 699] x 100
Subtract the new number by the original number
421 - 699 = -278
-278 ÷ 699 = -0.3977110157367668
-0.3977110157367668 x 100 = -39.77%