-71.43% is the change from 245 to 70
Calculation steps:
[( 70 - 245 ) ÷ 245] x 100 = -71.43%
Formula
Percentage change = [(70 - 245) / 245] x 100
Subtract the new number by the original number
70 - 245 = -175
-175 ÷ 245 = -0.7142857142857143
-0.7142857142857143 x 100 = -71.43%