298.78% is the change from 245 to 977
Calculation steps:
[( 977 - 245 ) ÷ 245] x 100 = 298.78%
Formula
Percentage change = [(977 - 245) / 245] x 100
Subtract the new number by the original number
977 - 245 = 732
732 ÷ 245 = 2.987755102040816
2.987755102040816 x 100 = 298.78%