184.3% is the change from 344 to 978
Calculation steps:
[( 978 - 344 ) ÷ 344] x 100 = 184.3%
Formula
Percentage change = [(978 - 344) / 344] x 100
Subtract the new number by the original number
978 - 344 = 634
634 ÷ 344 = 1.8430232558139534
1.8430232558139534 x 100 = 184.3%