19.36% is the change from 661 to 789
Calculation steps:
[( 789 - 661 ) ÷ 661] x 100 = 19.36%
Formula
Percentage change = [(789 - 661) / 661] x 100
Subtract the new number by the original number
789 - 661 = 128
128 ÷ 661 = 0.19364599092284418
0.19364599092284418 x 100 = 19.36%