26.48% is the change from 661 to 836
Calculation steps:
[( 836 - 661 ) ÷ 661] x 100 = 26.48%
Formula
Percentage change = [(836 - 661) / 661] x 100
Subtract the new number by the original number
836 - 661 = 175
175 ÷ 661 = 0.264750378214826
0.264750378214826 x 100 = 26.48%