-64.37% is the change from 814 to 290
Calculation steps:
[( 290 - 814 ) ÷ 814] x 100 = -64.37%
Formula
Percentage change = [(290 - 814) / 814] x 100
Subtract the new number by the original number
290 - 814 = -524
-524 ÷ 814 = -0.6437346437346437
-0.6437346437346437 x 100 = -64.37%