255.92% is the change from 211 to 751
Calculation steps:
[( 751 - 211 ) ÷ 211] x 100 = 255.92%
Formula
Percentage change = [(751 - 211) / 211] x 100
Subtract the new number by the original number
751 - 211 = 540
540 ÷ 211 = 2.559241706161137
2.559241706161137 x 100 = 255.92%