45% is the change from 260 to 377
Calculation steps:
[( 377 - 260 ) ÷ 260] x 100 = 45%
Formula
Percentage change = [(377 - 260) / 260] x 100
Subtract the new number by the original number
377 - 260 = 117
117 ÷ 260 = 0.45
0.45 x 100 = 45%
Example