221.01% is the change from 257 to 825
Calculation steps:
[( 825 - 257 ) ÷ 257] x 100 = 221.01%
Formula
Percentage change = [(825 - 257) / 257] x 100
Subtract the new number by the original number
825 - 257 = 568
568 ÷ 257 = 2.21011673151751
2.21011673151751 x 100 = 221.01%