115.5% is the change from 400 to 862
Calculation steps:
[( 862 - 400 ) ÷ 400] x 100 = 115.5%
Formula
Percentage change = [(862 - 400) / 400] x 100
Subtract the new number by the original number
862 - 400 = 462
462 ÷ 400 = 1.155
1.155 x 100 = 115.5%
Example