71.48% is the change from 263 to 451
Calculation steps:
[( 451 - 263 ) ÷ 263] x 100 = 71.48%
Formula
Percentage change = [(451 - 263) / 263] x 100
Subtract the new number by the original number
451 - 263 = 188
188 ÷ 263 = 0.714828897338403
0.714828897338403 x 100 = 71.48%