25.11% is the change from 661 to 827
Calculation steps:
[( 827 - 661 ) ÷ 661] x 100 = 25.11%
Formula
Percentage change = [(827 - 661) / 661] x 100
Subtract the new number by the original number
827 - 661 = 166
166 ÷ 661 = 0.25113464447806355
0.25113464447806355 x 100 = 25.11%