-78.25% is the change from 685 to 149
Calculation steps:
[( 149 - 685 ) ÷ 685] x 100 = -78.25%
Formula
Percentage change = [(149 - 685) / 685] x 100
Subtract the new number by the original number
149 - 685 = -536
-536 ÷ 685 = -0.7824817518248175
-0.7824817518248175 x 100 = -78.25%