75.96% is the change from 312 to 549
Calculation steps:
[( 549 - 312 ) ÷ 312] x 100 = 75.96%
Formula
Percentage change = [(549 - 312) / 312] x 100
Subtract the new number by the original number
549 - 312 = 237
237 ÷ 312 = 0.7596153846153846
0.7596153846153846 x 100 = 75.96%