-41.28% is the change from 717 to 421
Calculation steps:
[( 421 - 717 ) ÷ 717] x 100 = -41.28%
Formula
Percentage change = [(421 - 717) / 717] x 100
Subtract the new number by the original number
421 - 717 = -296
-296 ÷ 717 = -0.41283124128312415
-0.41283124128312415 x 100 = -41.28%