117.22% is the change from 424 to 921
Calculation steps:
[( 921 - 424 ) ÷ 424] x 100 = 117.22%
Formula
Percentage change = [(921 - 424) / 424] x 100
Subtract the new number by the original number
921 - 424 = 497
497 ÷ 424 = 1.1721698113207548
1.1721698113207548 x 100 = 117.22%