209.15% is the change from 164 to 507
Calculation steps:
[( 507 - 164 ) ÷ 164] x 100 = 209.15%
Formula
Percentage change = [(507 - 164) / 164] x 100
Subtract the new number by the original number
507 - 164 = 343
343 ÷ 164 = 2.091463414634146
2.091463414634146 x 100 = 209.15%