138.44% is the change from 320 to 763
Calculation steps:
[( 763 - 320 ) ÷ 320] x 100 = 138.44%
Formula
Percentage change = [(763 - 320) / 320] x 100
Subtract the new number by the original number
763 - 320 = 443
443 ÷ 320 = 1.384375
1.384375 x 100 = 138.44%