-34.63% is the change from 667 to 436
Calculation steps:
[( 436 - 667 ) ÷ 667] x 100 = -34.63%
Formula
Percentage change = [(436 - 667) / 667] x 100
Subtract the new number by the original number
436 - 667 = -231
-231 ÷ 667 = -0.34632683658170915
-0.34632683658170915 x 100 = -34.63%