-36.44% is the change from 343 to 218
Calculation steps:
[( 218 - 343 ) ÷ 343] x 100 = -36.44%
Formula
Percentage change = [(218 - 343) / 343] x 100
Subtract the new number by the original number
218 - 343 = -125
-125 ÷ 343 = -0.36443148688046645
-0.36443148688046645 x 100 = -36.44%