-83.65% is the change from 471 to 77
Calculation steps:
[( 77 - 471 ) ÷ 471] x 100 = -83.65%
Formula
Percentage change = [(77 - 471) / 471] x 100
Subtract the new number by the original number
77 - 471 = -394
-394 ÷ 471 = -0.8365180467091295
-0.8365180467091295 x 100 = -83.65%