200% is the change from 331 to 993
Calculation steps:
[( 993 - 331 ) ÷ 331] x 100 = 200%
Formula
Percentage change = [(993 - 331) / 331] x 100
Subtract the new number by the original number
993 - 331 = 662
662 ÷ 331 = 2
2 x 100 = 200%
Example