40.51% is the change from 548 to 770
Calculation steps:
[( 770 - 548 ) ÷ 548] x 100 = 40.51%
Formula
Percentage change = [(770 - 548) / 548] x 100
Subtract the new number by the original number
770 - 548 = 222
222 ÷ 548 = 0.4051094890510949
0.4051094890510949 x 100 = 40.51%