97.78% is the change from 406 to 803
Calculation steps:
[( 803 - 406 ) ÷ 406] x 100 = 97.78%
Formula
Percentage change = [(803 - 406) / 406] x 100
Subtract the new number by the original number
803 - 406 = 397
397 ÷ 406 = 0.9778325123152709
0.9778325123152709 x 100 = 97.78%