68.5% is the change from 254 to 428
Calculation steps:
[( 428 - 254 ) ÷ 254] x 100 = 68.5%
Formula
Percentage change = [(428 - 254) / 254] x 100
Subtract the new number by the original number
428 - 254 = 174
174 ÷ 254 = 0.6850393700787402
0.6850393700787402 x 100 = 68.5%