44.6% is the change from 278 to 402
Calculation steps:
[( 402 - 278 ) ÷ 278] x 100 = 44.6%
Formula
Percentage change = [(402 - 278) / 278] x 100
Subtract the new number by the original number
402 - 278 = 124
124 ÷ 278 = 0.4460431654676259
0.4460431654676259 x 100 = 44.6%