100.25% is the change from 401 to 803
Calculation steps:
[( 803 - 401 ) ÷ 401] x 100 = 100.25%
Formula
Percentage change = [(803 - 401) / 401] x 100
Subtract the new number by the original number
803 - 401 = 402
402 ÷ 401 = 1.0024937655860349
1.0024937655860349 x 100 = 100.25%