-32.06% is the change from 471 to 320
Calculation steps:
[( 320 - 471 ) ÷ 471] x 100 = -32.06%
Formula
Percentage change = [(320 - 471) / 471] x 100
Subtract the new number by the original number
320 - 471 = -151
-151 ÷ 471 = -0.3205944798301486
-0.3205944798301486 x 100 = -32.06%