-12.12% is the change from 817 to 718
Calculation steps:
[( 718 - 817 ) ÷ 817] x 100 = -12.12%
Formula
Percentage change = [(718 - 817) / 817] x 100
Subtract the new number by the original number
718 - 817 = -99
-99 ÷ 817 = -0.1211750305997552
-0.1211750305997552 x 100 = -12.12%