140.96% is the change from 166 to 400
Calculation steps:
[( 400 - 166 ) ÷ 166] x 100 = 140.96%
Formula
Percentage change = [(400 - 166) / 166] x 100
Subtract the new number by the original number
400 - 166 = 234
234 ÷ 166 = 1.4096385542168675
1.4096385542168675 x 100 = 140.96%