18.14% is the change from 827 to 977
Calculation steps:
[( 977 - 827 ) ÷ 827] x 100 = 18.14%
Formula
Percentage change = [(977 - 827) / 827] x 100
Subtract the new number by the original number
977 - 827 = 150
150 ÷ 827 = 0.18137847642079807
0.18137847642079807 x 100 = 18.14%