76.26% is the change from 257 to 453
Calculation steps:
[( 453 - 257 ) ÷ 257] x 100 = 76.26%
Formula
Percentage change = [(453 - 257) / 257] x 100
Subtract the new number by the original number
453 - 257 = 196
196 ÷ 257 = 0.7626459143968871
0.7626459143968871 x 100 = 76.26%