18.39% is the change from 446 to 528
Calculation steps:
[( 528 - 446 ) ÷ 446] x 100 = 18.39%
Formula
Percentage change = [(528 - 446) / 446] x 100
Subtract the new number by the original number
528 - 446 = 82
82 ÷ 446 = 0.18385650224215247
0.18385650224215247 x 100 = 18.39%