-36.19% is the change from 970 to 619
Calculation steps:
[( 619 - 970 ) ÷ 970] x 100 = -36.19%
Formula
Percentage change = [(619 - 970) / 970] x 100
Subtract the new number by the original number
619 - 970 = -351
-351 ÷ 970 = -0.3618556701030928
-0.3618556701030928 x 100 = -36.19%