88.4% is the change from 431 to 812
Calculation steps:
[( 812 - 431 ) ÷ 431] x 100 = 88.4%
Formula
Percentage change = [(812 - 431) / 431] x 100
Subtract the new number by the original number
812 - 431 = 381
381 ÷ 431 = 0.8839907192575406
0.8839907192575406 x 100 = 88.4%