31.79% is the change from 670 to 883
Calculation steps:
[( 883 - 670 ) ÷ 670] x 100 = 31.79%
Formula
Percentage change = [(883 - 670) / 670] x 100
Subtract the new number by the original number
883 - 670 = 213
213 ÷ 670 = 0.31791044776119404
0.31791044776119404 x 100 = 31.79%