81.57% is the change from 445 to 808
Calculation steps:
[( 808 - 445 ) ÷ 445] x 100 = 81.57%
Formula
Percentage change = [(808 - 445) / 445] x 100
Subtract the new number by the original number
808 - 445 = 363
363 ÷ 445 = 0.8157303370786517
0.8157303370786517 x 100 = 81.57%