507.41% is the change from 27 to 164
Calculation steps:
[( 164 - 27 ) ÷ 27] x 100 = 507.41%
Formula
Percentage change = [(164 - 27) / 27] x 100
Subtract the new number by the original number
164 - 27 = 137
137 ÷ 27 = 5.074074074074074
5.074074074074074 x 100 = 507.41%