34.92% is the change from 421 to 568
Calculation steps:
[( 568 - 421 ) ÷ 421] x 100 = 34.92%
Formula
Percentage change = [(568 - 421) / 421] x 100
Subtract the new number by the original number
568 - 421 = 147
147 ÷ 421 = 0.3491686460807601
0.3491686460807601 x 100 = 34.92%