45.97% is the change from 670 to 978
Calculation steps:
[( 978 - 670 ) ÷ 670] x 100 = 45.97%
Formula
Percentage change = [(978 - 670) / 670] x 100
Subtract the new number by the original number
978 - 670 = 308
308 ÷ 670 = 0.4597014925373134
0.4597014925373134 x 100 = 45.97%