165.22% is the change from 115 to 305
Calculation steps:
[( 305 - 115 ) ÷ 115] x 100 = 165.22%
Formula
Percentage change = [(305 - 115) / 115] x 100
Subtract the new number by the original number
305 - 115 = 190
190 ÷ 115 = 1.6521739130434783
1.6521739130434783 x 100 = 165.22%