210.48% is the change from 248 to 770
Calculation steps:
[( 770 - 248 ) ÷ 248] x 100 = 210.48%
Formula
Percentage change = [(770 - 248) / 248] x 100
Subtract the new number by the original number
770 - 248 = 522
522 ÷ 248 = 2.1048387096774195
2.1048387096774195 x 100 = 210.48%