-1.27% is the change from 237 to 234
Calculation steps:
[( 234 - 237 ) ÷ 237] x 100 = -1.27%
Formula
Percentage change = [(234 - 237) / 237] x 100
Subtract the new number by the original number
234 - 237 = -3
-3 ÷ 237 = -0.012658227848101266
-0.012658227848101266 x 100 = -1.27%