339.9% is the change from 208 to 915
Calculation steps:
[( 915 - 208 ) ÷ 208] x 100 = 339.9%
Formula
Percentage change = [(915 - 208) / 208] x 100
Subtract the new number by the original number
915 - 208 = 707
707 ÷ 208 = 3.3990384615384617
3.3990384615384617 x 100 = 339.9%