285.32% is the change from 252 to 971
Calculation steps:
[( 971 - 252 ) ÷ 252] x 100 = 285.32%
Formula
Percentage change = [(971 - 252) / 252] x 100
Subtract the new number by the original number
971 - 252 = 719
719 ÷ 252 = 2.8531746031746033
2.8531746031746033 x 100 = 285.32%