-63.92% is the change from 970 to 350
Calculation steps:
[( 350 - 970 ) ÷ 970] x 100 = -63.92%
Formula
Percentage change = [(350 - 970) / 970] x 100
Subtract the new number by the original number
350 - 970 = -620
-620 ÷ 970 = -0.6391752577319587
-0.6391752577319587 x 100 = -63.92%