-36.02% is the change from 669 to 428
Calculation steps:
[( 428 - 669 ) ÷ 669] x 100 = -36.02%
Formula
Percentage change = [(428 - 669) / 669] x 100
Subtract the new number by the original number
428 - 669 = -241
-241 ÷ 669 = -0.3602391629297459
-0.3602391629297459 x 100 = -36.02%