146.69% is the change from 257 to 634
Calculation steps:
[( 634 - 257 ) ÷ 257] x 100 = 146.69%
Formula
Percentage change = [(634 - 257) / 257] x 100
Subtract the new number by the original number
634 - 257 = 377
377 ÷ 257 = 1.4669260700389104
1.4669260700389104 x 100 = 146.69%