-52.12% is the change from 990 to 474
Calculation steps:
[( 474 - 990 ) ÷ 990] x 100 = -52.12%
Formula
Percentage change = [(474 - 990) / 990] x 100
Subtract the new number by the original number
474 - 990 = -516
-516 ÷ 990 = -0.5212121212121212
-0.5212121212121212 x 100 = -52.12%