78.55% is the change from 550 to 982
Calculation steps:
[( 982 - 550 ) ÷ 550] x 100 = 78.55%
Formula
Percentage change = [(982 - 550) / 550] x 100
Subtract the new number by the original number
982 - 550 = 432
432 ÷ 550 = 0.7854545454545454
0.7854545454545454 x 100 = 78.55%