100.77% is the change from 389 to 781
Calculation steps:
[( 781 - 389 ) ÷ 389] x 100 = 100.77%
Formula
Percentage change = [(781 - 389) / 389] x 100
Subtract the new number by the original number
781 - 389 = 392
392 ÷ 389 = 1.0077120822622108
1.0077120822622108 x 100 = 100.77%