-47.3% is the change from 816 to 430
Calculation steps:
[( 430 - 816 ) ÷ 816] x 100 = -47.3%
Formula
Percentage change = [(430 - 816) / 816] x 100
Subtract the new number by the original number
430 - 816 = -386
-386 ÷ 816 = -0.4730392156862745
-0.4730392156862745 x 100 = -47.3%