310.33% is the change from 242 to 993
Calculation steps:
[( 993 - 242 ) ÷ 242] x 100 = 310.33%
Formula
Percentage change = [(993 - 242) / 242] x 100
Subtract the new number by the original number
993 - 242 = 751
751 ÷ 242 = 3.103305785123967
3.103305785123967 x 100 = 310.33%