-78.43% is the change from 677 to 146
Calculation steps:
[( 146 - 677 ) ÷ 677] x 100 = -78.43%
Formula
Percentage change = [(146 - 677) / 677] x 100
Subtract the new number by the original number
146 - 677 = -531
-531 ÷ 677 = -0.7843426883308715
-0.7843426883308715 x 100 = -78.43%