-45.95% is the change from 964 to 521
Calculation steps:
[( 521 - 964 ) ÷ 964] x 100 = -45.95%
Formula
Percentage change = [(521 - 964) / 964] x 100
Subtract the new number by the original number
521 - 964 = -443
-443 ÷ 964 = -0.45954356846473027
-0.45954356846473027 x 100 = -45.95%