88.2% is the change from 356 to 670
Calculation steps:
[( 670 - 356 ) ÷ 356] x 100 = 88.2%
Formula
Percentage change = [(670 - 356) / 356] x 100
Subtract the new number by the original number
670 - 356 = 314
314 ÷ 356 = 0.8820224719101124
0.8820224719101124 x 100 = 88.2%