71.97% is the change from 503 to 865
Calculation steps:
[( 865 - 503 ) ÷ 503] x 100 = 71.97%
Formula
Percentage change = [(865 - 503) / 503] x 100
Subtract the new number by the original number
865 - 503 = 362
362 ÷ 503 = 0.7196819085487077
0.7196819085487077 x 100 = 71.97%