76.77% is the change from 254 to 449
Calculation steps:
[( 449 - 254 ) ÷ 254] x 100 = 76.77%
Formula
Percentage change = [(449 - 254) / 254] x 100
Subtract the new number by the original number
449 - 254 = 195
195 ÷ 254 = 0.7677165354330708
0.7677165354330708 x 100 = 76.77%