198.05% is the change from 256 to 763
Calculation steps:
[( 763 - 256 ) ÷ 256] x 100 = 198.05%
Formula
Percentage change = [(763 - 256) / 256] x 100
Subtract the new number by the original number
763 - 256 = 507
507 ÷ 256 = 1.98046875
1.98046875 x 100 = 198.05%