189.88% is the change from 257 to 745
Calculation steps:
[( 745 - 257 ) ÷ 257] x 100 = 189.88%
Formula
Percentage change = [(745 - 257) / 257] x 100
Subtract the new number by the original number
745 - 257 = 488
488 ÷ 257 = 1.8988326848249026
1.8988326848249026 x 100 = 189.88%