-60.1% is the change from 970 to 387
Calculation steps:
[( 387 - 970 ) ÷ 970] x 100 = -60.1%
Formula
Percentage change = [(387 - 970) / 970] x 100
Subtract the new number by the original number
387 - 970 = -583
-583 ÷ 970 = -0.6010309278350515
-0.6010309278350515 x 100 = -60.1%