-39.25% is the change from 693 to 421
Calculation steps:
[( 421 - 693 ) ÷ 693] x 100 = -39.25%
Formula
Percentage change = [(421 - 693) / 693] x 100
Subtract the new number by the original number
421 - 693 = -272
-272 ÷ 693 = -0.3924963924963925
-0.3924963924963925 x 100 = -39.25%