-94.33% is the change from 970 to 55
Calculation steps:
[( 55 - 970 ) ÷ 970] x 100 = -94.33%
Formula
Percentage change = [(55 - 970) / 970] x 100
Subtract the new number by the original number
55 - 970 = -915
-915 ÷ 970 = -0.9432989690721649
-0.9432989690721649 x 100 = -94.33%