166.4% is the change from 375 to 999
Calculation steps:
[( 999 - 375 ) ÷ 375] x 100 = 166.4%
Formula
Percentage change = [(999 - 375) / 375] x 100
Subtract the new number by the original number
999 - 375 = 624
624 ÷ 375 = 1.664
1.664 x 100 = 166.4%
Example