14.98% is the change from 247 to 284
Calculation steps:
[( 284 - 247 ) ÷ 247] x 100 = 14.98%
Formula
Percentage change = [(284 - 247) / 247] x 100
Subtract the new number by the original number
284 - 247 = 37
37 ÷ 247 = 0.14979757085020243
0.14979757085020243 x 100 = 14.98%