209.64% is the change from 166 to 514
Calculation steps:
[( 514 - 166 ) ÷ 166] x 100 = 209.64%
Formula
Percentage change = [(514 - 166) / 166] x 100
Subtract the new number by the original number
514 - 166 = 348
348 ÷ 166 = 2.0963855421686746
2.0963855421686746 x 100 = 209.64%