-74.66% is the change from 521 to 132
Calculation steps:
[( 132 - 521 ) ÷ 521] x 100 = -74.66%
Formula
Percentage change = [(132 - 521) / 521] x 100
Subtract the new number by the original number
132 - 521 = -389
-389 ÷ 521 = -0.746641074856046
-0.746641074856046 x 100 = -74.66%