-53.09% is the change from 970 to 455
Calculation steps:
[( 455 - 970 ) ÷ 970] x 100 = -53.09%
Formula
Percentage change = [(455 - 970) / 970] x 100
Subtract the new number by the original number
455 - 970 = -515
-515 ÷ 970 = -0.5309278350515464
-0.5309278350515464 x 100 = -53.09%