303.01% is the change from 166 to 669
Calculation steps:
[( 669 - 166 ) ÷ 166] x 100 = 303.01%
Formula
Percentage change = [(669 - 166) / 166] x 100
Subtract the new number by the original number
669 - 166 = 503
503 ÷ 166 = 3.0301204819277108
3.0301204819277108 x 100 = 303.01%