81.21% is the change from 431 to 781
Calculation steps:
[( 781 - 431 ) ÷ 431] x 100 = 81.21%
Formula
Percentage change = [(781 - 431) / 431] x 100
Subtract the new number by the original number
781 - 431 = 350
350 ÷ 431 = 0.8120649651972158
0.8120649651972158 x 100 = 81.21%