173.63% is the change from 311 to 851
Calculation steps:
[( 851 - 311 ) ÷ 311] x 100 = 173.63%
Formula
Percentage change = [(851 - 311) / 311] x 100
Subtract the new number by the original number
851 - 311 = 540
540 ÷ 311 = 1.7363344051446945
1.7363344051446945 x 100 = 173.63%