135.83% is the change from 321 to 757
Calculation steps:
[( 757 - 321 ) ÷ 321] x 100 = 135.83%
Formula
Percentage change = [(757 - 321) / 321] x 100
Subtract the new number by the original number
757 - 321 = 436
436 ÷ 321 = 1.3582554517133956
1.3582554517133956 x 100 = 135.83%