-79.24% is the change from 684 to 142
Calculation steps:
[( 142 - 684 ) ÷ 684] x 100 = -79.24%
Formula
Percentage change = [(142 - 684) / 684] x 100
Subtract the new number by the original number
142 - 684 = -542
-542 ÷ 684 = -0.7923976608187134
-0.7923976608187134 x 100 = -79.24%