1818.75% is the change from 16 to 307
Calculation steps:
[( 307 - 16 ) ÷ 16] x 100 = 1818.75%
Formula
Percentage change = [(307 - 16) / 16] x 100
Subtract the new number by the original number
307 - 16 = 291
291 ÷ 16 = 18.1875
18.1875 x 100 = 1818.75%