-78.39% is the change from 685 to 148
Calculation steps:
[( 148 - 685 ) ÷ 685] x 100 = -78.39%
Formula
Percentage change = [(148 - 685) / 685] x 100
Subtract the new number by the original number
148 - 685 = -537
-537 ÷ 685 = -0.7839416058394161
-0.7839416058394161 x 100 = -78.39%