1631.25% is the change from 16 to 277
Calculation steps:
[( 277 - 16 ) ÷ 16] x 100 = 1631.25%
Formula
Percentage change = [(277 - 16) / 16] x 100
Subtract the new number by the original number
277 - 16 = 261
261 ÷ 16 = 16.3125
16.3125 x 100 = 1631.25%