17.85% is the change from 829 to 977
Calculation steps:
[( 977 - 829 ) ÷ 829] x 100 = 17.85%
Formula
Percentage change = [(977 - 829) / 829] x 100
Subtract the new number by the original number
977 - 829 = 148
148 ÷ 829 = 0.17852834740651388
0.17852834740651388 x 100 = 17.85%