177.04% is the change from 257 to 712
Calculation steps:
[( 712 - 257 ) ÷ 257] x 100 = 177.04%
Formula
Percentage change = [(712 - 257) / 257] x 100
Subtract the new number by the original number
712 - 257 = 455
455 ÷ 257 = 1.7704280155642023
1.7704280155642023 x 100 = 177.04%