-59.06% is the change from 828 to 339
Calculation steps:
[( 339 - 828 ) ÷ 828] x 100 = -59.06%
Formula
Percentage change = [(339 - 828) / 828] x 100
Subtract the new number by the original number
339 - 828 = -489
-489 ÷ 828 = -0.5905797101449275
-0.5905797101449275 x 100 = -59.06%