135% is the change from 320 to 752
Calculation steps:
[( 752 - 320 ) ÷ 320] x 100 = 135%
Formula
Percentage change = [(752 - 320) / 320] x 100
Subtract the new number by the original number
752 - 320 = 432
432 ÷ 320 = 1.35
1.35 x 100 = 135%
Example