26.72% is the change from 655 to 830
Calculation steps:
[( 830 - 655 ) ÷ 655] x 100 = 26.72%
Formula
Percentage change = [(830 - 655) / 655] x 100
Subtract the new number by the original number
830 - 655 = 175
175 ÷ 655 = 0.26717557251908397
0.26717557251908397 x 100 = 26.72%