-53.22% is the change from 667 to 312
Calculation steps:
[( 312 - 667 ) ÷ 667] x 100 = -53.22%
Formula
Percentage change = [(312 - 667) / 667] x 100
Subtract the new number by the original number
312 - 667 = -355
-355 ÷ 667 = -0.5322338830584707
-0.5322338830584707 x 100 = -53.22%