165.88% is the change from 255 to 678
Calculation steps:
[( 678 - 255 ) ÷ 255] x 100 = 165.88%
Formula
Percentage change = [(678 - 255) / 255] x 100
Subtract the new number by the original number
678 - 255 = 423
423 ÷ 255 = 1.6588235294117648
1.6588235294117648 x 100 = 165.88%