-35.04% is the change from 528 to 343
Calculation steps:
[( 343 - 528 ) ÷ 528] x 100 = -35.04%
Formula
Percentage change = [(343 - 528) / 528] x 100
Subtract the new number by the original number
343 - 528 = -185
-185 ÷ 528 = -0.3503787878787879
-0.3503787878787879 x 100 = -35.04%