387.3% is the change from 189 to 921
Calculation steps:
[( 921 - 189 ) ÷ 189] x 100 = 387.3%
Formula
Percentage change = [(921 - 189) / 189] x 100
Subtract the new number by the original number
921 - 189 = 732
732 ÷ 189 = 3.873015873015873
3.873015873015873 x 100 = 387.3%