21.87% is the change from 439 to 535
Calculation steps:
[( 535 - 439 ) ÷ 439] x 100 = 21.87%
Formula
Percentage change = [(535 - 439) / 439] x 100
Subtract the new number by the original number
535 - 439 = 96
96 ÷ 439 = 0.21867881548974943
0.21867881548974943 x 100 = 21.87%