187.5% is the change from 216 to 621
Calculation steps:
[( 621 - 216 ) ÷ 216] x 100 = 187.5%
Formula
Percentage change = [(621 - 216) / 216] x 100
Subtract the new number by the original number
621 - 216 = 405
405 ÷ 216 = 1.875
1.875 x 100 = 187.5%
Example