21.86% is the change from 636 to 775
Calculation steps:
[( 775 - 636 ) ÷ 636] x 100 = 21.86%
Formula
Percentage change = [(775 - 636) / 636] x 100
Subtract the new number by the original number
775 - 636 = 139
139 ÷ 636 = 0.21855345911949686
0.21855345911949686 x 100 = 21.86%