52.48% is the change from 343 to 523
Calculation steps:
[( 523 - 343 ) ÷ 343] x 100 = 52.48%
Formula
Percentage change = [(523 - 343) / 343] x 100
Subtract the new number by the original number
523 - 343 = 180
180 ÷ 343 = 0.5247813411078717
0.5247813411078717 x 100 = 52.48%