-76.74% is the change from 817 to 190
Calculation steps:
[( 190 - 817 ) ÷ 817] x 100 = -76.74%
Formula
Percentage change = [(190 - 817) / 817] x 100
Subtract the new number by the original number
190 - 817 = -627
-627 ÷ 817 = -0.7674418604651163
-0.7674418604651163 x 100 = -76.74%