-42.61% is the change from 819 to 470
Calculation steps:
[( 470 - 819 ) ÷ 819] x 100 = -42.61%
Formula
Percentage change = [(470 - 819) / 819] x 100
Subtract the new number by the original number
470 - 819 = -349
-349 ÷ 819 = -0.4261294261294261
-0.4261294261294261 x 100 = -42.61%