-50.98% is the change from 971 to 476
Calculation steps:
[( 476 - 971 ) ÷ 971] x 100 = -50.98%
Formula
Percentage change = [(476 - 971) / 971] x 100
Subtract the new number by the original number
476 - 971 = -495
-495 ÷ 971 = -0.509783728115345
-0.509783728115345 x 100 = -50.98%