302.6% is the change from 192 to 773
Calculation steps:
[( 773 - 192 ) ÷ 192] x 100 = 302.6%
Formula
Percentage change = [(773 - 192) / 192] x 100
Subtract the new number by the original number
773 - 192 = 581
581 ÷ 192 = 3.0260416666666665
3.0260416666666665 x 100 = 302.6%