128.03% is the change from 421 to 960
Calculation steps:
[( 960 - 421 ) ÷ 421] x 100 = 128.03%
Formula
Percentage change = [(960 - 421) / 421] x 100
Subtract the new number by the original number
960 - 421 = 539
539 ÷ 421 = 1.2802850356294537
1.2802850356294537 x 100 = 128.03%