-45.86% is the change from 471 to 255
Calculation steps:
[( 255 - 471 ) ÷ 471] x 100 = -45.86%
Formula
Percentage change = [(255 - 471) / 471] x 100
Subtract the new number by the original number
255 - 471 = -216
-216 ÷ 471 = -0.4585987261146497
-0.4585987261146497 x 100 = -45.86%