159.53% is the change from 257 to 667
Calculation steps:
[( 667 - 257 ) ÷ 257] x 100 = 159.53%
Formula
Percentage change = [(667 - 257) / 257] x 100
Subtract the new number by the original number
667 - 257 = 410
410 ÷ 257 = 1.595330739299611
1.595330739299611 x 100 = 159.53%