270.43% is the change from 257 to 952
Calculation steps:
[( 952 - 257 ) ÷ 257] x 100 = 270.43%
Formula
Percentage change = [(952 - 257) / 257] x 100
Subtract the new number by the original number
952 - 257 = 695
695 ÷ 257 = 2.7042801556420235
2.7042801556420235 x 100 = 270.43%