992.16% is the change from 51 to 557
Calculation steps:
[( 557 - 51 ) ÷ 51] x 100 = 992.16%
Formula
Percentage change = [(557 - 51) / 51] x 100
Subtract the new number by the original number
557 - 51 = 506
506 ÷ 51 = 9.92156862745098
9.92156862745098 x 100 = 992.16%