831.25% is the change from 16 to 149
Calculation steps:
[( 149 - 16 ) ÷ 16] x 100 = 831.25%
Formula
Percentage change = [(149 - 16) / 16] x 100
Subtract the new number by the original number
149 - 16 = 133
133 ÷ 16 = 8.3125
8.3125 x 100 = 831.25%
Example