56.47% is the change from 340 to 532
Calculation steps:
[( 532 - 340 ) ÷ 340] x 100 = 56.47%
Formula
Percentage change = [(532 - 340) / 340] x 100
Subtract the new number by the original number
532 - 340 = 192
192 ÷ 340 = 0.5647058823529412
0.5647058823529412 x 100 = 56.47%