213.04% is the change from 161 to 504
Calculation steps:
[( 504 - 161 ) ÷ 161] x 100 = 213.04%
Formula
Percentage change = [(504 - 161) / 161] x 100
Subtract the new number by the original number
504 - 161 = 343
343 ÷ 161 = 2.130434782608696
2.130434782608696 x 100 = 213.04%