25.3% is the change from 660 to 827
Calculation steps:
[( 827 - 660 ) ÷ 660] x 100 = 25.3%
Formula
Percentage change = [(827 - 660) / 660] x 100
Subtract the new number by the original number
827 - 660 = 167
167 ÷ 660 = 0.25303030303030305
0.25303030303030305 x 100 = 25.3%