43.48% is the change from 345 to 495
Calculation steps:
[( 495 - 345 ) ÷ 345] x 100 = 43.48%
Formula
Percentage change = [(495 - 345) / 345] x 100
Subtract the new number by the original number
495 - 345 = 150
150 ÷ 345 = 0.43478260869565216
0.43478260869565216 x 100 = 43.48%