-96.1% is the change from 667 to 26
Calculation steps:
[( 26 - 667 ) ÷ 667] x 100 = -96.1%
Formula
Percentage change = [(26 - 667) / 667] x 100
Subtract the new number by the original number
26 - 667 = -641
-641 ÷ 667 = -0.9610194902548725
-0.9610194902548725 x 100 = -96.1%