-39.92% is the change from 471 to 283
Calculation steps:
[( 283 - 471 ) ÷ 471] x 100 = -39.92%
Formula
Percentage change = [(283 - 471) / 471] x 100
Subtract the new number by the original number
283 - 471 = -188
-188 ÷ 471 = -0.3991507430997877
-0.3991507430997877 x 100 = -39.92%