97.98% is the change from 494 to 978
Calculation steps:
[( 978 - 494 ) ÷ 494] x 100 = 97.98%
Formula
Percentage change = [(978 - 494) / 494] x 100
Subtract the new number by the original number
978 - 494 = 484
484 ÷ 494 = 0.979757085020243
0.979757085020243 x 100 = 97.98%