313.25% is the change from 166 to 686
Calculation steps:
[( 686 - 166 ) ÷ 166] x 100 = 313.25%
Formula
Percentage change = [(686 - 166) / 166] x 100
Subtract the new number by the original number
686 - 166 = 520
520 ÷ 166 = 3.1325301204819276
3.1325301204819276 x 100 = 313.25%