-83.26% is the change from 938 to 157
Calculation steps:
[( 157 - 938 ) ÷ 938] x 100 = -83.26%
Formula
Percentage change = [(157 - 938) / 938] x 100
Subtract the new number by the original number
157 - 938 = -781
-781 ÷ 938 = -0.8326226012793176
-0.8326226012793176 x 100 = -83.26%