35.94% is the change from 320 to 435
Calculation steps:
[( 435 - 320 ) ÷ 320] x 100 = 35.94%
Formula
Percentage change = [(435 - 320) / 320] x 100
Subtract the new number by the original number
435 - 320 = 115
115 ÷ 320 = 0.359375
0.359375 x 100 = 35.94%