155.51% is the change from 254 to 649
Calculation steps:
[( 649 - 254 ) ÷ 254] x 100 = 155.51%
Formula
Percentage change = [(649 - 254) / 254] x 100
Subtract the new number by the original number
649 - 254 = 395
395 ÷ 254 = 1.5551181102362204
1.5551181102362204 x 100 = 155.51%