-77.52% is the change from 685 to 154
Calculation steps:
[( 154 - 685 ) ÷ 685] x 100 = -77.52%
Formula
Percentage change = [(154 - 685) / 685] x 100
Subtract the new number by the original number
154 - 685 = -531
-531 ÷ 685 = -0.7751824817518248
-0.7751824817518248 x 100 = -77.52%