-38.1% is the change from 832 to 515
Calculation steps:
[( 515 - 832 ) ÷ 832] x 100 = -38.1%
Formula
Percentage change = [(515 - 832) / 832] x 100
Subtract the new number by the original number
515 - 832 = -317
-317 ÷ 832 = -0.38100961538461536
-0.38100961538461536 x 100 = -38.1%