-20.83% is the change from 677 to 536
Calculation steps:
[( 536 - 677 ) ÷ 677] x 100 = -20.83%
Formula
Percentage change = [(536 - 677) / 677] x 100
Subtract the new number by the original number
536 - 677 = -141
-141 ÷ 677 = -0.20827178729689808
-0.20827178729689808 x 100 = -20.83%