-77.49% is the change from 684 to 154
Calculation steps:
[( 154 - 684 ) ÷ 684] x 100 = -77.49%
Formula
Percentage change = [(154 - 684) / 684] x 100
Subtract the new number by the original number
154 - 684 = -530
-530 ÷ 684 = -0.7748538011695907
-0.7748538011695907 x 100 = -77.49%