144.06% is the change from 320 to 781
Calculation steps:
[( 781 - 320 ) ÷ 320] x 100 = 144.06%
Formula
Percentage change = [(781 - 320) / 320] x 100
Subtract the new number by the original number
781 - 320 = 461
461 ÷ 320 = 1.440625
1.440625 x 100 = 144.06%