-56.27% is the change from 343 to 150
Calculation steps:
[( 150 - 343 ) ÷ 343] x 100 = -56.27%
Formula
Percentage change = [(150 - 343) / 343] x 100
Subtract the new number by the original number
150 - 343 = -193
-193 ÷ 343 = -0.5626822157434402
-0.5626822157434402 x 100 = -56.27%