642.86% is the change from 7 to 52
Calculation steps:
[( 52 - 7 ) ÷ 7] x 100 = 642.86%
Formula
Percentage change = [(52 - 7) / 7] x 100
Subtract the new number by the original number
52 - 7 = 45
45 ÷ 7 = 6.428571428571429
6.428571428571429 x 100 = 642.86%