77.05% is the change from 549 to 972
Calculation steps:
[( 972 - 549 ) ÷ 549] x 100 = 77.05%
Formula
Percentage change = [(972 - 549) / 549] x 100
Subtract the new number by the original number
972 - 549 = 423
423 ÷ 549 = 0.7704918032786885
0.7704918032786885 x 100 = 77.05%