123.99% is the change from 421 to 943
Calculation steps:
[( 943 - 421 ) ÷ 421] x 100 = 123.99%
Formula
Percentage change = [(943 - 421) / 421] x 100
Subtract the new number by the original number
943 - 421 = 522
522 ÷ 421 = 1.2399049881235154
1.2399049881235154 x 100 = 123.99%