61.29% is the change from 248 to 400
Calculation steps:
[( 400 - 248 ) ÷ 248] x 100 = 61.29%
Formula
Percentage change = [(400 - 248) / 248] x 100
Subtract the new number by the original number
400 - 248 = 152
152 ÷ 248 = 0.6129032258064516
0.6129032258064516 x 100 = 61.29%