-69.64% is the change from 471 to 143
Calculation steps:
[( 143 - 471 ) ÷ 471] x 100 = -69.64%
Formula
Percentage change = [(143 - 471) / 471] x 100
Subtract the new number by the original number
143 - 471 = -328
-328 ÷ 471 = -0.6963906581740976
-0.6963906581740976 x 100 = -69.64%