762.75% is the change from 51 to 440
Calculation steps:
[( 440 - 51 ) ÷ 51] x 100 = 762.75%
Formula
Percentage change = [(440 - 51) / 51] x 100
Subtract the new number by the original number
440 - 51 = 389
389 ÷ 51 = 7.627450980392157
7.627450980392157 x 100 = 762.75%