30% is the change from 320 to 416
Calculation steps:
[( 416 - 320 ) ÷ 320] x 100 = 30%
Formula
Percentage change = [(416 - 320) / 320] x 100
Subtract the new number by the original number
416 - 320 = 96
96 ÷ 320 = 0.3
0.3 x 100 = 30%
Example