-55.67% is the change from 970 to 430
Calculation steps:
[( 430 - 970 ) ÷ 970] x 100 = -55.67%
Formula
Percentage change = [(430 - 970) / 970] x 100
Subtract the new number by the original number
430 - 970 = -540
-540 ÷ 970 = -0.5567010309278351
-0.5567010309278351 x 100 = -55.67%