-17.38% is the change from 817 to 675
Calculation steps:
[( 675 - 817 ) ÷ 817] x 100 = -17.38%
Formula
Percentage change = [(675 - 817) / 817] x 100
Subtract the new number by the original number
675 - 817 = -142
-142 ÷ 817 = -0.17380660954712362
-0.17380660954712362 x 100 = -17.38%