70.9% is the change from 457 to 781
Calculation steps:
[( 781 - 457 ) ÷ 457] x 100 = 70.9%
Formula
Percentage change = [(781 - 457) / 457] x 100
Subtract the new number by the original number
781 - 457 = 324
324 ÷ 457 = 0.7089715536105032
0.7089715536105032 x 100 = 70.9%