-42.78% is the change from 734 to 420
Calculation steps:
[( 420 - 734 ) ÷ 734] x 100 = -42.78%
Formula
Percentage change = [(420 - 734) / 734] x 100
Subtract the new number by the original number
420 - 734 = -314
-314 ÷ 734 = -0.42779291553133514
-0.42779291553133514 x 100 = -42.78%