71.65% is the change from 455 to 781
Calculation steps:
[( 781 - 455 ) ÷ 455] x 100 = 71.65%
Formula
Percentage change = [(781 - 455) / 455] x 100
Subtract the new number by the original number
781 - 455 = 326
326 ÷ 455 = 0.7164835164835165
0.7164835164835165 x 100 = 71.65%