-75.73% is the change from 997 to 242
Calculation steps:
[( 242 - 997 ) ÷ 997] x 100 = -75.73%
Formula
Percentage change = [(242 - 997) / 997] x 100
Subtract the new number by the original number
242 - 997 = -755
-755 ÷ 997 = -0.757271815446339
-0.757271815446339 x 100 = -75.73%