280% is the change from 200 to 760
Calculation steps:
[( 760 - 200 ) ÷ 200] x 100 = 280%
Formula
Percentage change = [(760 - 200) / 200] x 100
Subtract the new number by the original number
760 - 200 = 560
560 ÷ 200 = 2.8
2.8 x 100 = 280%
Example