314.46% is the change from 166 to 688
Calculation steps:
[( 688 - 166 ) ÷ 166] x 100 = 314.46%
Formula
Percentage change = [(688 - 166) / 166] x 100
Subtract the new number by the original number
688 - 166 = 522
522 ÷ 166 = 3.144578313253012
3.144578313253012 x 100 = 314.46%