-62.32% is the change from 690 to 260
Calculation steps:
[( 260 - 690 ) ÷ 690] x 100 = -62.32%
Formula
Percentage change = [(260 - 690) / 690] x 100
Subtract the new number by the original number
260 - 690 = -430
-430 ÷ 690 = -0.6231884057971014
-0.6231884057971014 x 100 = -62.32%