-43.11% is the change from 740 to 421
Calculation steps:
[( 421 - 740 ) ÷ 740] x 100 = -43.11%
Formula
Percentage change = [(421 - 740) / 740] x 100
Subtract the new number by the original number
421 - 740 = -319
-319 ÷ 740 = -0.43108108108108106
-0.43108108108108106 x 100 = -43.11%