144.44% is the change from 405 to 990
Calculation steps:
[( 990 - 405 ) ÷ 405] x 100 = 144.44%
Formula
Percentage change = [(990 - 405) / 405] x 100
Subtract the new number by the original number
990 - 405 = 585
585 ÷ 405 = 1.4444444444444444
1.4444444444444444 x 100 = 144.44%