56.78% is the change from 199 to 312
Calculation steps:
[( 312 - 199 ) ÷ 199] x 100 = 56.78%
Formula
Percentage change = [(312 - 199) / 199] x 100
Subtract the new number by the original number
312 - 199 = 113
113 ÷ 199 = 0.5678391959798995
0.5678391959798995 x 100 = 56.78%