-58.31% is the change from 343 to 143
Calculation steps:
[( 143 - 343 ) ÷ 343] x 100 = -58.31%
Formula
Percentage change = [(143 - 343) / 343] x 100
Subtract the new number by the original number
143 - 343 = -200
-200 ÷ 343 = -0.5830903790087464
-0.5830903790087464 x 100 = -58.31%