-98.04% is the change from 970 to 19
Calculation steps:
[( 19 - 970 ) ÷ 970] x 100 = -98.04%
Formula
Percentage change = [(19 - 970) / 970] x 100
Subtract the new number by the original number
19 - 970 = -951
-951 ÷ 970 = -0.9804123711340206
-0.9804123711340206 x 100 = -98.04%