51.41% is the change from 249 to 377
Calculation steps:
[( 377 - 249 ) ÷ 249] x 100 = 51.41%
Formula
Percentage change = [(377 - 249) / 249] x 100
Subtract the new number by the original number
377 - 249 = 128
128 ÷ 249 = 0.5140562248995983
0.5140562248995983 x 100 = 51.41%