-52% is the change from 475 to 228
Calculation steps:
[( 228 - 475 ) ÷ 475] x 100 = -52%
Formula
Percentage change = [(228 - 475) / 475] x 100
Subtract the new number by the original number
228 - 475 = -247
-247 ÷ 475 = -0.52
-0.52 x 100 = -52%
Example