-70.58% is the change from 520 to 153
Calculation steps:
[( 153 - 520 ) ÷ 520] x 100 = -70.58%
Formula
Percentage change = [(153 - 520) / 520] x 100
Subtract the new number by the original number
153 - 520 = -367
-367 ÷ 520 = -0.7057692307692308
-0.7057692307692308 x 100 = -70.58%