-52.94% is the change from 971 to 457
Calculation steps:
[( 457 - 971 ) ÷ 971] x 100 = -52.94%
Formula
Percentage change = [(457 - 971) / 971] x 100
Subtract the new number by the original number
457 - 971 = -514
-514 ÷ 971 = -0.529351184346035
-0.529351184346035 x 100 = -52.94%