-59.37% is the change from 667 to 271
Calculation steps:
[( 271 - 667 ) ÷ 667] x 100 = -59.37%
Formula
Percentage change = [(271 - 667) / 667] x 100
Subtract the new number by the original number
271 - 667 = -396
-396 ÷ 667 = -0.5937031484257871
-0.5937031484257871 x 100 = -59.37%