84.04% is the change from 445 to 819
Calculation steps:
[( 819 - 445 ) ÷ 445] x 100 = 84.04%
Formula
Percentage change = [(819 - 445) / 445] x 100
Subtract the new number by the original number
819 - 445 = 374
374 ÷ 445 = 0.8404494382022472
0.8404494382022472 x 100 = 84.04%