-34.98% is the change from 666 to 433
Calculation steps:
[( 433 - 666 ) ÷ 666] x 100 = -34.98%
Formula
Percentage change = [(433 - 666) / 666] x 100
Subtract the new number by the original number
433 - 666 = -233
-233 ÷ 666 = -0.34984984984984985
-0.34984984984984985 x 100 = -34.98%