1515.69% is the change from 51 to 824
Calculation steps:
[( 824 - 51 ) ÷ 51] x 100 = 1515.69%
Formula
Percentage change = [(824 - 51) / 51] x 100
Subtract the new number by the original number
824 - 51 = 773
773 ÷ 51 = 15.156862745098039
15.156862745098039 x 100 = 1515.69%