37.76% is the change from 670 to 923
Calculation steps:
[( 923 - 670 ) ÷ 670] x 100 = 37.76%
Formula
Percentage change = [(923 - 670) / 670] x 100
Subtract the new number by the original number
923 - 670 = 253
253 ÷ 670 = 0.3776119402985075
0.3776119402985075 x 100 = 37.76%