-71.11% is the change from 938 to 271
Calculation steps:
[( 271 - 938 ) ÷ 938] x 100 = -71.11%
Formula
Percentage change = [(271 - 938) / 938] x 100
Subtract the new number by the original number
271 - 938 = -667
-667 ÷ 938 = -0.7110874200426439
-0.7110874200426439 x 100 = -71.11%