208.7% is the change from 115 to 355
Calculation steps:
[( 355 - 115 ) ÷ 115] x 100 = 208.7%
Formula
Percentage change = [(355 - 115) / 115] x 100
Subtract the new number by the original number
355 - 115 = 240
240 ÷ 115 = 2.0869565217391304
2.0869565217391304 x 100 = 208.7%