214.29% is the change from 245 to 770
Calculation steps:
[( 770 - 245 ) ÷ 245] x 100 = 214.29%
Formula
Percentage change = [(770 - 245) / 245] x 100
Subtract the new number by the original number
770 - 245 = 525
525 ÷ 245 = 2.142857142857143
2.142857142857143 x 100 = 214.29%