-43.26% is the change from 742 to 421
Calculation steps:
[( 421 - 742 ) ÷ 742] x 100 = -43.26%
Formula
Percentage change = [(421 - 742) / 742] x 100
Subtract the new number by the original number
421 - 742 = -321
-321 ÷ 742 = -0.4326145552560647
-0.4326145552560647 x 100 = -43.26%