133.73% is the change from 166 to 388
Calculation steps:
[( 388 - 166 ) ÷ 166] x 100 = 133.73%
Formula
Percentage change = [(388 - 166) / 166] x 100
Subtract the new number by the original number
388 - 166 = 222
222 ÷ 166 = 1.3373493975903614
1.3373493975903614 x 100 = 133.73%