64.86% is the change from 185 to 305
Calculation steps:
[( 305 - 185 ) ÷ 185] x 100 = 64.86%
Formula
Percentage change = [(305 - 185) / 185] x 100
Subtract the new number by the original number
305 - 185 = 120
120 ÷ 185 = 0.6486486486486487
0.6486486486486487 x 100 = 64.86%