-43.49% is the change from 745 to 421
Calculation steps:
[( 421 - 745 ) ÷ 745] x 100 = -43.49%
Formula
Percentage change = [(421 - 745) / 745] x 100
Subtract the new number by the original number
421 - 745 = -324
-324 ÷ 745 = -0.4348993288590604
-0.4348993288590604 x 100 = -43.49%