97.5% is the change from 440 to 869
Calculation steps:
[( 869 - 440 ) ÷ 440] x 100 = 97.5%
Formula
Percentage change = [(869 - 440) / 440] x 100
Subtract the new number by the original number
869 - 440 = 429
429 ÷ 440 = 0.975
0.975 x 100 = 97.5%
Example