-75.28% is the change from 817 to 202
Calculation steps:
[( 202 - 817 ) ÷ 817] x 100 = -75.28%
Formula
Percentage change = [(202 - 817) / 817] x 100
Subtract the new number by the original number
202 - 817 = -615
-615 ÷ 817 = -0.7527539779681762
-0.7527539779681762 x 100 = -75.28%