-46.82% is the change from 660 to 351
Calculation steps:
[( 351 - 660 ) ÷ 660] x 100 = -46.82%
Formula
Percentage change = [(351 - 660) / 660] x 100
Subtract the new number by the original number
351 - 660 = -309
-309 ÷ 660 = -0.4681818181818182
-0.4681818181818182 x 100 = -46.82%