38.35% is the change from 678 to 938
Calculation steps:
[( 938 - 678 ) ÷ 678] x 100 = 38.35%
Formula
Percentage change = [(938 - 678) / 678] x 100
Subtract the new number by the original number
938 - 678 = 260
260 ÷ 678 = 0.3834808259587021
0.3834808259587021 x 100 = 38.35%