43.55% is the change from 310 to 445
Calculation steps:
[( 445 - 310 ) ÷ 310] x 100 = 43.55%
Formula
Percentage change = [(445 - 310) / 310] x 100
Subtract the new number by the original number
445 - 310 = 135
135 ÷ 310 = 0.43548387096774194
0.43548387096774194 x 100 = 43.55%