20.93% is the change from 664 to 803
Calculation steps:
[( 803 - 664 ) ÷ 664] x 100 = 20.93%
Formula
Percentage change = [(803 - 664) / 664] x 100
Subtract the new number by the original number
803 - 664 = 139
139 ÷ 664 = 0.20933734939759036
0.20933734939759036 x 100 = 20.93%