-51.8% is the change from 473 to 228
Calculation steps:
[( 228 - 473 ) ÷ 473] x 100 = -51.8%
Formula
Percentage change = [(228 - 473) / 473] x 100
Subtract the new number by the original number
228 - 473 = -245
-245 ÷ 473 = -0.5179704016913319
-0.5179704016913319 x 100 = -51.8%