28.21% is the change from 780 to 1000
Calculation steps:
[( 1000 - 780 ) ÷ 780] x 100 = 28.21%
Formula
Percentage change = [(1000 - 780) / 780] x 100
Subtract the new number by the original number
1000 - 780 = 220
220 ÷ 780 = 0.28205128205128205
0.28205128205128205 x 100 = 28.21%