83.82% is the change from 445 to 818
Calculation steps:
[( 818 - 445 ) ÷ 445] x 100 = 83.82%
Formula
Percentage change = [(818 - 445) / 445] x 100
Subtract the new number by the original number
818 - 445 = 373
373 ÷ 445 = 0.8382022471910112
0.8382022471910112 x 100 = 83.82%