19.62% is the change from 678 to 811
Calculation steps:
[( 811 - 678 ) ÷ 678] x 100 = 19.62%
Formula
Percentage change = [(811 - 678) / 678] x 100
Subtract the new number by the original number
811 - 678 = 133
133 ÷ 678 = 0.19616519174041297
0.19616519174041297 x 100 = 19.62%