178.44% is the change from 320 to 891
Calculation steps:
[( 891 - 320 ) ÷ 320] x 100 = 178.44%
Formula
Percentage change = [(891 - 320) / 320] x 100
Subtract the new number by the original number
891 - 320 = 571
571 ÷ 320 = 1.784375
1.784375 x 100 = 178.44%