20.37% is the change from 810 to 975
Calculation steps:
[( 975 - 810 ) ÷ 810] x 100 = 20.37%
Formula
Percentage change = [(975 - 810) / 810] x 100
Subtract the new number by the original number
975 - 810 = 165
165 ÷ 810 = 0.2037037037037037
0.2037037037037037 x 100 = 20.37%