-76.6% is the change from 970 to 227
Calculation steps:
[( 227 - 970 ) ÷ 970] x 100 = -76.6%
Formula
Percentage change = [(227 - 970) / 970] x 100
Subtract the new number by the original number
227 - 970 = -743
-743 ÷ 970 = -0.765979381443299
-0.765979381443299 x 100 = -76.6%