-78.27% is the change from 520 to 113
Calculation steps:
[( 113 - 520 ) ÷ 520] x 100 = -78.27%
Formula
Percentage change = [(113 - 520) / 520] x 100
Subtract the new number by the original number
113 - 520 = -407
-407 ÷ 520 = -0.7826923076923077
-0.7826923076923077 x 100 = -78.27%