313.86% is the change from 166 to 687
Calculation steps:
[( 687 - 166 ) ÷ 166] x 100 = 313.86%
Formula
Percentage change = [(687 - 166) / 166] x 100
Subtract the new number by the original number
687 - 166 = 521
521 ÷ 166 = 3.13855421686747
3.13855421686747 x 100 = 313.86%