-61.6% is the change from 677 to 260
Calculation steps:
[( 260 - 677 ) ÷ 677] x 100 = -61.6%
Formula
Percentage change = [(260 - 677) / 677] x 100
Subtract the new number by the original number
260 - 677 = -417
-417 ÷ 677 = -0.6159527326440177
-0.6159527326440177 x 100 = -61.6%