19.1% is the change from 445 to 530
Calculation steps:
[( 530 - 445 ) ÷ 445] x 100 = 19.1%
Formula
Percentage change = [(530 - 445) / 445] x 100
Subtract the new number by the original number
530 - 445 = 85
85 ÷ 445 = 0.19101123595505617
0.19101123595505617 x 100 = 19.1%