-70.46% is the change from 914 to 270
Calculation steps:
[( 270 - 914 ) ÷ 914] x 100 = -70.46%
Formula
Percentage change = [(270 - 914) / 914] x 100
Subtract the new number by the original number
270 - 914 = -644
-644 ÷ 914 = -0.7045951859956237
-0.7045951859956237 x 100 = -70.46%