170.03% is the change from 307 to 829
Calculation steps:
[( 829 - 307 ) ÷ 307] x 100 = 170.03%
Formula
Percentage change = [(829 - 307) / 307] x 100
Subtract the new number by the original number
829 - 307 = 522
522 ÷ 307 = 1.700325732899023
1.700325732899023 x 100 = 170.03%