-93.27% is the change from 520 to 35
Calculation steps:
[( 35 - 520 ) ÷ 520] x 100 = -93.27%
Formula
Percentage change = [(35 - 520) / 520] x 100
Subtract the new number by the original number
35 - 520 = -485
-485 ÷ 520 = -0.9326923076923077
-0.9326923076923077 x 100 = -93.27%