-23.1% is the change from 684 to 526
Calculation steps:
[( 526 - 684 ) ÷ 684] x 100 = -23.1%
Formula
Percentage change = [(526 - 684) / 684] x 100
Subtract the new number by the original number
526 - 684 = -158
-158 ÷ 684 = -0.2309941520467836
-0.2309941520467836 x 100 = -23.1%