41.79% is the change from 670 to 950
Calculation steps:
[( 950 - 670 ) ÷ 670] x 100 = 41.79%
Formula
Percentage change = [(950 - 670) / 670] x 100
Subtract the new number by the original number
950 - 670 = 280
280 ÷ 670 = 0.417910447761194
0.417910447761194 x 100 = 41.79%