58.91% is the change from 421 to 669
Calculation steps:
[( 669 - 421 ) ÷ 421] x 100 = 58.91%
Formula
Percentage change = [(669 - 421) / 421] x 100
Subtract the new number by the original number
669 - 421 = 248
248 ÷ 421 = 0.5890736342042755
0.5890736342042755 x 100 = 58.91%