0.95% is the change from 421 to 425
Calculation steps:
[( 425 - 421 ) ÷ 421] x 100 = 0.95%
Formula
Percentage change = [(425 - 421) / 421] x 100
Subtract the new number by the original number
425 - 421 = 4
4 ÷ 421 = 0.009501187648456057
0.009501187648456057 x 100 = 0.95%