-30.94% is the change from 753 to 520
Calculation steps:
[( 520 - 753 ) ÷ 753] x 100 = -30.94%
Formula
Percentage change = [(520 - 753) / 753] x 100
Subtract the new number by the original number
520 - 753 = -233
-233 ÷ 753 = -0.3094289508632138
-0.3094289508632138 x 100 = -30.94%