86.73% is the change from 437 to 816
Calculation steps:
[( 816 - 437 ) ÷ 437] x 100 = 86.73%
Formula
Percentage change = [(816 - 437) / 437] x 100
Subtract the new number by the original number
816 - 437 = 379
379 ÷ 437 = 0.8672768878718535
0.8672768878718535 x 100 = 86.73%