45.07% is the change from 670 to 972
Calculation steps:
[( 972 - 670 ) ÷ 670] x 100 = 45.07%
Formula
Percentage change = [(972 - 670) / 670] x 100
Subtract the new number by the original number
972 - 670 = 302
302 ÷ 670 = 0.4507462686567164
0.4507462686567164 x 100 = 45.07%