-46.45% is the change from 971 to 520
Calculation steps:
[( 520 - 971 ) ÷ 971] x 100 = -46.45%
Formula
Percentage change = [(520 - 971) / 971] x 100
Subtract the new number by the original number
520 - 971 = -451
-451 ÷ 971 = -0.46446961894953653
-0.46446961894953653 x 100 = -46.45%