278.26% is the change from 115 to 435
Calculation steps:
[( 435 - 115 ) ÷ 115] x 100 = 278.26%
Formula
Percentage change = [(435 - 115) / 115] x 100
Subtract the new number by the original number
435 - 115 = 320
320 ÷ 115 = 2.782608695652174
2.782608695652174 x 100 = 278.26%