-89.24% is the change from 474 to 51
Calculation steps:
[( 51 - 474 ) ÷ 474] x 100 = -89.24%
Formula
Percentage change = [(51 - 474) / 474] x 100
Subtract the new number by the original number
51 - 474 = -423
-423 ÷ 474 = -0.8924050632911392
-0.8924050632911392 x 100 = -89.24%