-39.66% is the change from 696 to 420
Calculation steps:
[( 420 - 696 ) ÷ 696] x 100 = -39.66%
Formula
Percentage change = [(420 - 696) / 696] x 100
Subtract the new number by the original number
420 - 696 = -276
-276 ÷ 696 = -0.39655172413793105
-0.39655172413793105 x 100 = -39.66%