-30.57% is the change from 471 to 327
Calculation steps:
[( 327 - 471 ) ÷ 471] x 100 = -30.57%
Formula
Percentage change = [(327 - 471) / 471] x 100
Subtract the new number by the original number
327 - 471 = -144
-144 ÷ 471 = -0.3057324840764331
-0.3057324840764331 x 100 = -30.57%