305.49% is the change from 164 to 665
Calculation steps:
[( 665 - 164 ) ÷ 164] x 100 = 305.49%
Formula
Percentage change = [(665 - 164) / 164] x 100
Subtract the new number by the original number
665 - 164 = 501
501 ÷ 164 = 3.0548780487804876
3.0548780487804876 x 100 = 305.49%