-16.4% is the change from 811 to 678
Calculation steps:
[( 678 - 811 ) ÷ 811] x 100 = -16.4%
Formula
Percentage change = [(678 - 811) / 811] x 100
Subtract the new number by the original number
678 - 811 = -133
-133 ÷ 811 = -0.16399506781750925
-0.16399506781750925 x 100 = -16.4%