-6.36% is the change from 817 to 765
Calculation steps:
[( 765 - 817 ) ÷ 817] x 100 = -6.36%
Formula
Percentage change = [(765 - 817) / 817] x 100
Subtract the new number by the original number
765 - 817 = -52
-52 ÷ 817 = -0.06364749082007344
-0.06364749082007344 x 100 = -6.36%