102.1% is the change from 429 to 867
Calculation steps:
[( 867 - 429 ) ÷ 429] x 100 = 102.1%
Formula
Percentage change = [(867 - 429) / 429] x 100
Subtract the new number by the original number
867 - 429 = 438
438 ÷ 429 = 1.020979020979021
1.020979020979021 x 100 = 102.1%