1800% is the change from 51 to 969
Calculation steps:
[( 969 - 51 ) ÷ 51] x 100 = 1800%
Formula
Percentage change = [(969 - 51) / 51] x 100
Subtract the new number by the original number
969 - 51 = 918
918 ÷ 51 = 18
18 x 100 = 1800%
Example