278.31% is the change from 166 to 628
Calculation steps:
[( 628 - 166 ) ÷ 166] x 100 = 278.31%
Formula
Percentage change = [(628 - 166) / 166] x 100
Subtract the new number by the original number
628 - 166 = 462
462 ÷ 166 = 2.783132530120482
2.783132530120482 x 100 = 278.31%