-55.68% is the change from 950 to 421
Calculation steps:
[( 421 - 950 ) ÷ 950] x 100 = -55.68%
Formula
Percentage change = [(421 - 950) / 950] x 100
Subtract the new number by the original number
421 - 950 = -529
-529 ÷ 950 = -0.5568421052631579
-0.5568421052631579 x 100 = -55.68%