-37.01% is the change from 970 to 611
Calculation steps:
[( 611 - 970 ) ÷ 970] x 100 = -37.01%
Formula
Percentage change = [(611 - 970) / 970] x 100
Subtract the new number by the original number
611 - 970 = -359
-359 ÷ 970 = -0.37010309278350517
-0.37010309278350517 x 100 = -37.01%