277% is the change from 100 to 377
Calculation steps:
[( 377 - 100 ) ÷ 100] x 100 = 277%
Formula
Percentage change = [(377 - 100) / 100] x 100
Subtract the new number by the original number
377 - 100 = 277
277 ÷ 100 = 2.77
2.77 x 100 = 277%
Example