102.09% is the change from 431 to 871
Calculation steps:
[( 871 - 431 ) ÷ 431] x 100 = 102.09%
Formula
Percentage change = [(871 - 431) / 431] x 100
Subtract the new number by the original number
871 - 431 = 440
440 ÷ 431 = 1.0208816705336428
1.0208816705336428 x 100 = 102.09%