-28.75% is the change from 647 to 461
Calculation steps:
[( 461 - 647 ) ÷ 647] x 100 = -28.75%
Formula
Percentage change = [(461 - 647) / 647] x 100
Subtract the new number by the original number
461 - 647 = -186
-186 ÷ 647 = -0.2874806800618238
-0.2874806800618238 x 100 = -28.75%