39.86% is the change from 715 to 1000
Calculation steps:
[( 1000 - 715 ) ÷ 715] x 100 = 39.86%
Formula
Percentage change = [(1000 - 715) / 715] x 100
Subtract the new number by the original number
1000 - 715 = 285
285 ÷ 715 = 0.3986013986013986
0.3986013986013986 x 100 = 39.86%