123.28% is the change from 421 to 940
Calculation steps:
[( 940 - 421 ) ÷ 421] x 100 = 123.28%
Formula
Percentage change = [(940 - 421) / 421] x 100
Subtract the new number by the original number
940 - 421 = 519
519 ÷ 421 = 1.2327790973871735
1.2327790973871735 x 100 = 123.28%