-34.98% is the change from 669 to 435
Calculation steps:
[( 435 - 669 ) ÷ 669] x 100 = -34.98%
Formula
Percentage change = [(435 - 669) / 669] x 100
Subtract the new number by the original number
435 - 669 = -234
-234 ÷ 669 = -0.34977578475336324
-0.34977578475336324 x 100 = -34.98%