45.67% is the change from 670 to 976
Calculation steps:
[( 976 - 670 ) ÷ 670] x 100 = 45.67%
Formula
Percentage change = [(976 - 670) / 670] x 100
Subtract the new number by the original number
976 - 670 = 306
306 ÷ 670 = 0.45671641791044776
0.45671641791044776 x 100 = 45.67%