397.59% is the change from 166 to 826
Calculation steps:
[( 826 - 166 ) ÷ 166] x 100 = 397.59%
Formula
Percentage change = [(826 - 166) / 166] x 100
Subtract the new number by the original number
826 - 166 = 660
660 ÷ 166 = 3.9759036144578315
3.9759036144578315 x 100 = 397.59%