99.25% is the change from 402 to 801
Calculation steps:
[( 801 - 402 ) ÷ 402] x 100 = 99.25%
Formula
Percentage change = [(801 - 402) / 402] x 100
Subtract the new number by the original number
801 - 402 = 399
399 ÷ 402 = 0.9925373134328358
0.9925373134328358 x 100 = 99.25%