262.5% is the change from 104 to 377
Calculation steps:
[( 377 - 104 ) ÷ 104] x 100 = 262.5%
Formula
Percentage change = [(377 - 104) / 104] x 100
Subtract the new number by the original number
377 - 104 = 273
273 ÷ 104 = 2.625
2.625 x 100 = 262.5%
Example