38.41% is the change from 315 to 436
Calculation steps:
[( 436 - 315 ) ÷ 315] x 100 = 38.41%
Formula
Percentage change = [(436 - 315) / 315] x 100
Subtract the new number by the original number
436 - 315 = 121
121 ÷ 315 = 0.38412698412698415
0.38412698412698415 x 100 = 38.41%