171.15% is the change from 305 to 827
Calculation steps:
[( 827 - 305 ) ÷ 305] x 100 = 171.15%
Formula
Percentage change = [(827 - 305) / 305] x 100
Subtract the new number by the original number
827 - 305 = 522
522 ÷ 305 = 1.7114754098360656
1.7114754098360656 x 100 = 171.15%