778.43% is the change from 51 to 448
Calculation steps:
[( 448 - 51 ) ÷ 51] x 100 = 778.43%
Formula
Percentage change = [(448 - 51) / 51] x 100
Subtract the new number by the original number
448 - 51 = 397
397 ÷ 51 = 7.784313725490196
7.784313725490196 x 100 = 778.43%