78.26% is the change from 115 to 205
Calculation steps:
[( 205 - 115 ) ÷ 115] x 100 = 78.26%
Formula
Percentage change = [(205 - 115) / 115] x 100
Subtract the new number by the original number
205 - 115 = 90
90 ÷ 115 = 0.782608695652174
0.782608695652174 x 100 = 78.26%