312.42% is the change from 161 to 664
Calculation steps:
[( 664 - 161 ) ÷ 161] x 100 = 312.42%
Formula
Percentage change = [(664 - 161) / 161] x 100
Subtract the new number by the original number
664 - 161 = 503
503 ÷ 161 = 3.124223602484472
3.124223602484472 x 100 = 312.42%