141.88% is the change from 320 to 774
Calculation steps:
[( 774 - 320 ) ÷ 320] x 100 = 141.88%
Formula
Percentage change = [(774 - 320) / 320] x 100
Subtract the new number by the original number
774 - 320 = 454
454 ÷ 320 = 1.41875
1.41875 x 100 = 141.88%