118.29% is the change from 421 to 919
Calculation steps:
[( 919 - 421 ) ÷ 421] x 100 = 118.29%
Formula
Percentage change = [(919 - 421) / 421] x 100
Subtract the new number by the original number
919 - 421 = 498
498 ÷ 421 = 1.182897862232779
1.182897862232779 x 100 = 118.29%