-78.36% is the change from 684 to 148
Calculation steps:
[( 148 - 684 ) ÷ 684] x 100 = -78.36%
Formula
Percentage change = [(148 - 684) / 684] x 100
Subtract the new number by the original number
148 - 684 = -536
-536 ÷ 684 = -0.783625730994152
-0.783625730994152 x 100 = -78.36%