-61.02% is the change from 667 to 260
Calculation steps:
[( 260 - 667 ) ÷ 667] x 100 = -61.02%
Formula
Percentage change = [(260 - 667) / 667] x 100
Subtract the new number by the original number
260 - 667 = -407
-407 ÷ 667 = -0.6101949025487257
-0.6101949025487257 x 100 = -61.02%