17.98% is the change from 823 to 971
Calculation steps:
[( 971 - 823 ) ÷ 823] x 100 = 17.98%
Formula
Percentage change = [(971 - 823) / 823] x 100
Subtract the new number by the original number
971 - 823 = 148
148 ÷ 823 = 0.1798298906439854
0.1798298906439854 x 100 = 17.98%