50.29% is the change from 350 to 526
Calculation steps:
[( 526 - 350 ) ÷ 350] x 100 = 50.29%
Formula
Percentage change = [(526 - 350) / 350] x 100
Subtract the new number by the original number
526 - 350 = 176
176 ÷ 350 = 0.5028571428571429
0.5028571428571429 x 100 = 50.29%