-31.78% is the change from 667 to 455
Calculation steps:
[( 455 - 667 ) ÷ 667] x 100 = -31.78%
Formula
Percentage change = [(455 - 667) / 667] x 100
Subtract the new number by the original number
455 - 667 = -212
-212 ÷ 667 = -0.31784107946026985
-0.31784107946026985 x 100 = -31.78%