166.93% is the change from 254 to 678
Calculation steps:
[( 678 - 254 ) ÷ 254] x 100 = 166.93%
Formula
Percentage change = [(678 - 254) / 254] x 100
Subtract the new number by the original number
678 - 254 = 424
424 ÷ 254 = 1.669291338582677
1.669291338582677 x 100 = 166.93%