78.06% is the change from 310 to 552
Calculation steps:
[( 552 - 310 ) ÷ 310] x 100 = 78.06%
Formula
Percentage change = [(552 - 310) / 310] x 100
Subtract the new number by the original number
552 - 310 = 242
242 ÷ 310 = 0.7806451612903226
0.7806451612903226 x 100 = 78.06%