-71.64% is the change from 677 to 192
Calculation steps:
[( 192 - 677 ) ÷ 677] x 100 = -71.64%
Formula
Percentage change = [(192 - 677) / 677] x 100
Subtract the new number by the original number
192 - 677 = -485
-485 ÷ 677 = -0.7163958641063516
-0.7163958641063516 x 100 = -71.64%