86.48% is the change from 429 to 800
Calculation steps:
[( 800 - 429 ) ÷ 429] x 100 = 86.48%
Formula
Percentage change = [(800 - 429) / 429] x 100
Subtract the new number by the original number
800 - 429 = 371
371 ÷ 429 = 0.8648018648018648
0.8648018648018648 x 100 = 86.48%