-44.98% is the change from 947 to 521
Calculation steps:
[( 521 - 947 ) ÷ 947] x 100 = -44.98%
Formula
Percentage change = [(521 - 947) / 947] x 100
Subtract the new number by the original number
521 - 947 = -426
-426 ÷ 947 = -0.4498416050686378
-0.4498416050686378 x 100 = -44.98%