41.34% is the change from 670 to 947
Calculation steps:
[( 947 - 670 ) ÷ 670] x 100 = 41.34%
Formula
Percentage change = [(947 - 670) / 670] x 100
Subtract the new number by the original number
947 - 670 = 277
277 ÷ 670 = 0.4134328358208955
0.4134328358208955 x 100 = 41.34%