178.25% is the change from 331 to 921
Calculation steps:
[( 921 - 331 ) ÷ 331] x 100 = 178.25%
Formula
Percentage change = [(921 - 331) / 331] x 100
Subtract the new number by the original number
921 - 331 = 590
590 ÷ 331 = 1.7824773413897281
1.7824773413897281 x 100 = 178.25%