-42.44% is the change from 820 to 472
Calculation steps:
[( 472 - 820 ) ÷ 820] x 100 = -42.44%
Formula
Percentage change = [(472 - 820) / 820] x 100
Subtract the new number by the original number
472 - 820 = -348
-348 ÷ 820 = -0.424390243902439
-0.424390243902439 x 100 = -42.44%