30.03% is the change from 636 to 827
Calculation steps:
[( 827 - 636 ) ÷ 636] x 100 = 30.03%
Formula
Percentage change = [(827 - 636) / 636] x 100
Subtract the new number by the original number
827 - 636 = 191
191 ÷ 636 = 0.300314465408805
0.300314465408805 x 100 = 30.03%