88.73% is the change from 355 to 670
Calculation steps:
[( 670 - 355 ) ÷ 355] x 100 = 88.73%
Formula
Percentage change = [(670 - 355) / 355] x 100
Subtract the new number by the original number
670 - 355 = 315
315 ÷ 355 = 0.8873239436619719
0.8873239436619719 x 100 = 88.73%