81.43% is the change from 463 to 840
Calculation steps:
[( 840 - 463 ) ÷ 463] x 100 = 81.43%
Formula
Percentage change = [(840 - 463) / 463] x 100
Subtract the new number by the original number
840 - 463 = 377
377 ÷ 463 = 0.8142548596112311
0.8142548596112311 x 100 = 81.43%