678.43% is the change from 51 to 397
Calculation steps:
[( 397 - 51 ) ÷ 51] x 100 = 678.43%
Formula
Percentage change = [(397 - 51) / 51] x 100
Subtract the new number by the original number
397 - 51 = 346
346 ÷ 51 = 6.784313725490196
6.784313725490196 x 100 = 678.43%