1700% is the change from 51 to 918
Calculation steps:
[( 918 - 51 ) ÷ 51] x 100 = 1700%
Formula
Percentage change = [(918 - 51) / 51] x 100
Subtract the new number by the original number
918 - 51 = 867
867 ÷ 51 = 17
17 x 100 = 1700%
Example