35.97% is the change from 253 to 344
Calculation steps:
[( 344 - 253 ) ÷ 253] x 100 = 35.97%
Formula
Percentage change = [(344 - 253) / 253] x 100
Subtract the new number by the original number
344 - 253 = 91
91 ÷ 253 = 0.35968379446640314
0.35968379446640314 x 100 = 35.97%