-16.52% is the change from 811 to 677
Calculation steps:
[( 677 - 811 ) ÷ 811] x 100 = -16.52%
Formula
Percentage change = [(677 - 811) / 811] x 100
Subtract the new number by the original number
677 - 811 = -134
-134 ÷ 811 = -0.16522811344019728
-0.16522811344019728 x 100 = -16.52%