170.51% is the change from 312 to 844
Calculation steps:
[( 844 - 312 ) ÷ 312] x 100 = 170.51%
Formula
Percentage change = [(844 - 312) / 312] x 100
Subtract the new number by the original number
844 - 312 = 532
532 ÷ 312 = 1.705128205128205
1.705128205128205 x 100 = 170.51%