29.02% is the change from 641 to 827
Calculation steps:
[( 827 - 641 ) ÷ 641] x 100 = 29.02%
Formula
Percentage change = [(827 - 641) / 641] x 100
Subtract the new number by the original number
827 - 641 = 186
186 ÷ 641 = 0.29017160686427457
0.29017160686427457 x 100 = 29.02%