-62.1% is the change from 686 to 260
Calculation steps:
[( 260 - 686 ) ÷ 686] x 100 = -62.1%
Formula
Percentage change = [(260 - 686) / 686] x 100
Subtract the new number by the original number
260 - 686 = -426
-426 ÷ 686 = -0.6209912536443148
-0.6209912536443148 x 100 = -62.1%