242.41% is the change from 290 to 993
Calculation steps:
[( 993 - 290 ) ÷ 290] x 100 = 242.41%
Formula
Percentage change = [(993 - 290) / 290] x 100
Subtract the new number by the original number
993 - 290 = 703
703 ÷ 290 = 2.424137931034483
2.424137931034483 x 100 = 242.41%