1.5% is the change from 266 to 270
Calculation steps:
[( 270 - 266 ) ÷ 266] x 100 = 1.5%
Formula
Percentage change = [(270 - 266) / 266] x 100
Subtract the new number by the original number
270 - 266 = 4
4 ÷ 266 = 0.015037593984962405
0.015037593984962405 x 100 = 1.5%