1681.25% is the change from 16 to 285
Calculation steps:
[( 285 - 16 ) ÷ 16] x 100 = 1681.25%
Formula
Percentage change = [(285 - 16) / 16] x 100
Subtract the new number by the original number
285 - 16 = 269
269 ÷ 16 = 16.8125
16.8125 x 100 = 1681.25%