22.8% is the change from 307 to 377
Calculation steps:
[( 377 - 307 ) ÷ 307] x 100 = 22.8%
Formula
Percentage change = [(377 - 307) / 307] x 100
Subtract the new number by the original number
377 - 307 = 70
70 ÷ 307 = 0.2280130293159609
0.2280130293159609 x 100 = 22.8%