5100% is the change from 19 to 988
Calculation steps:
[( 988 - 19 ) ÷ 19] x 100 = 5100%
Formula
Percentage change = [(988 - 19) / 19] x 100
Subtract the new number by the original number
988 - 19 = 969
969 ÷ 19 = 51
51 x 100 = 5100%
Example