31.42% is the change from 678 to 891
Calculation steps:
[( 891 - 678 ) ÷ 678] x 100 = 31.42%
Formula
Percentage change = [(891 - 678) / 678] x 100
Subtract the new number by the original number
891 - 678 = 213
213 ÷ 678 = 0.3141592920353982
0.3141592920353982 x 100 = 31.42%