61.23% is the change from 276 to 445
Calculation steps:
[( 445 - 276 ) ÷ 276] x 100 = 61.23%
Formula
Percentage change = [(445 - 276) / 276] x 100
Subtract the new number by the original number
445 - 276 = 169
169 ÷ 276 = 0.6123188405797102
0.6123188405797102 x 100 = 61.23%