19.88% is the change from 810 to 971
Calculation steps:
[( 971 - 810 ) ÷ 810] x 100 = 19.88%
Formula
Percentage change = [(971 - 810) / 810] x 100
Subtract the new number by the original number
971 - 810 = 161
161 ÷ 810 = 0.19876543209876543
0.19876543209876543 x 100 = 19.88%