-46.51% is the change from 817 to 437
Calculation steps:
[( 437 - 817 ) ÷ 817] x 100 = -46.51%
Formula
Percentage change = [(437 - 817) / 817] x 100
Subtract the new number by the original number
437 - 817 = -380
-380 ÷ 817 = -0.46511627906976744
-0.46511627906976744 x 100 = -46.51%