-39.74% is the change from 697 to 420
Calculation steps:
[( 420 - 697 ) ÷ 697] x 100 = -39.74%
Formula
Percentage change = [(420 - 697) / 697] x 100
Subtract the new number by the original number
420 - 697 = -277
-277 ÷ 697 = -0.39741750358680056
-0.39741750358680056 x 100 = -39.74%