-89.46% is the change from 484 to 51
Calculation steps:
[( 51 - 484 ) ÷ 484] x 100 = -89.46%
Formula
Percentage change = [(51 - 484) / 484] x 100
Subtract the new number by the original number
51 - 484 = -433
-433 ÷ 484 = -0.8946280991735537
-0.8946280991735537 x 100 = -89.46%