-37.21% is the change from 387 to 243
Calculation steps:
[( 243 - 387 ) ÷ 387] x 100 = -37.21%
Formula
Percentage change = [(243 - 387) / 387] x 100
Subtract the new number by the original number
243 - 387 = -144
-144 ÷ 387 = -0.37209302325581395
-0.37209302325581395 x 100 = -37.21%