77.14% is the change from 503 to 891
Calculation steps:
[( 891 - 503 ) ÷ 503] x 100 = 77.14%
Formula
Percentage change = [(891 - 503) / 503] x 100
Subtract the new number by the original number
891 - 503 = 388
388 ÷ 503 = 0.7713717693836978
0.7713717693836978 x 100 = 77.14%