86.09% is the change from 115 to 214
Calculation steps:
[( 214 - 115 ) ÷ 115] x 100 = 86.09%
Formula
Percentage change = [(214 - 115) / 115] x 100
Subtract the new number by the original number
214 - 115 = 99
99 ÷ 115 = 0.8608695652173913
0.8608695652173913 x 100 = 86.09%