98.78% is the change from 490 to 974
Calculation steps:
[( 974 - 490 ) ÷ 490] x 100 = 98.78%
Formula
Percentage change = [(974 - 490) / 490] x 100
Subtract the new number by the original number
974 - 490 = 484
484 ÷ 490 = 0.9877551020408163
0.9877551020408163 x 100 = 98.78%