171.98% is the change from 257 to 699
Calculation steps:
[( 699 - 257 ) ÷ 257] x 100 = 171.98%
Formula
Percentage change = [(699 - 257) / 257] x 100
Subtract the new number by the original number
699 - 257 = 442
442 ÷ 257 = 1.7198443579766538
1.7198443579766538 x 100 = 171.98%