-44.33% is the change from 970 to 540
Calculation steps:
[( 540 - 970 ) ÷ 970] x 100 = -44.33%
Formula
Percentage change = [(540 - 970) / 970] x 100
Subtract the new number by the original number
540 - 970 = -430
-430 ÷ 970 = -0.44329896907216493
-0.44329896907216493 x 100 = -44.33%