-36.15% is the change from 520 to 332
Calculation steps:
[( 332 - 520 ) ÷ 520] x 100 = -36.15%
Formula
Percentage change = [(332 - 520) / 520] x 100
Subtract the new number by the original number
332 - 520 = -188
-188 ÷ 520 = -0.36153846153846153
-0.36153846153846153 x 100 = -36.15%