240.4% is the change from 99 to 337
Calculation steps:
[( 337 - 99 ) ÷ 99] x 100 = 240.4%
Formula
Percentage change = [(337 - 99) / 99] x 100
Subtract the new number by the original number
337 - 99 = 238
238 ÷ 99 = 2.404040404040404
2.404040404040404 x 100 = 240.4%