-43.79% is the change from 749 to 421
Calculation steps:
[( 421 - 749 ) ÷ 749] x 100 = -43.79%
Formula
Percentage change = [(421 - 749) / 749] x 100
Subtract the new number by the original number
421 - 749 = -328
-328 ÷ 749 = -0.4379172229639519
-0.4379172229639519 x 100 = -43.79%