-78.22% is the change from 684 to 149
Calculation steps:
[( 149 - 684 ) ÷ 684] x 100 = -78.22%
Formula
Percentage change = [(149 - 684) / 684] x 100
Subtract the new number by the original number
149 - 684 = -535
-535 ÷ 684 = -0.7821637426900585
-0.7821637426900585 x 100 = -78.22%