264.59% is the change from 257 to 937
Calculation steps:
[( 937 - 257 ) ÷ 257] x 100 = 264.59%
Formula
Percentage change = [(937 - 257) / 257] x 100
Subtract the new number by the original number
937 - 257 = 680
680 ÷ 257 = 2.6459143968871595
2.6459143968871595 x 100 = 264.59%