79.53% is the change from 254 to 456
Calculation steps:
[( 456 - 254 ) ÷ 254] x 100 = 79.53%
Formula
Percentage change = [(456 - 254) / 254] x 100
Subtract the new number by the original number
456 - 254 = 202
202 ÷ 254 = 0.7952755905511811
0.7952755905511811 x 100 = 79.53%