-64.33% is the change from 970 to 346
Calculation steps:
[( 346 - 970 ) ÷ 970] x 100 = -64.33%
Formula
Percentage change = [(346 - 970) / 970] x 100
Subtract the new number by the original number
346 - 970 = -624
-624 ÷ 970 = -0.643298969072165
-0.643298969072165 x 100 = -64.33%