-46.55% is the change from 666 to 356
Calculation steps:
[( 356 - 666 ) ÷ 666] x 100 = -46.55%
Formula
Percentage change = [(356 - 666) / 666] x 100
Subtract the new number by the original number
356 - 666 = -310
-310 ÷ 666 = -0.46546546546546547
-0.46546546546546547 x 100 = -46.55%